yyyy/mm/dd,199103,199105,199107,199109,199111,199201,199203,199205,199207
1991/01/04,29.5,29.5,29.5,29.3,29.2,28.9,29,28.8,29
1991/01/07,30,29.9,29.6,29.5,29.4,29.5,29.4,29.4,29.4
1991/01/08,29.9,29.8,29.4,29.8,29.6,29.7,29.5,29.3,29.4
1991/01/09,29.6,29.4,29.4,29.4,29.2,29.2,29.1,28.9,29.1
1991/01/10,29.2,28.9,28.6,28.8,28.6,28.8,28.5,28.5,28.3
1991/01/11,28.3,28,27.9,28,27.9,28,27.8,27.9,27.9
1991/01/14,28.8,28.7,28.6,28.6,28.3,28.7,28.8,28.5,28.4
1991/01/16,29.4,29.1,29.1,29.2,29.2,29.1,29,28.8,29
1991/01/17,28.6,28.6,28.4,28.3,27.8,28.1,27.9,28,28.1
1991/01/18,28.7,28.6,28.6,28.3,28.1,28.1,28.1,28.1,28.2
1991/01/21,28.1,28,28.1,28.1,28.2,27.9,27.7,27.5,28
1991/01/22,27.6,27.7,27.2,27.2,27.3,27.2,27.1,27,26.9
1991/01/23,27.7,27.6,27.4,27.6,27.3,27.2,27.1,27.1,27.3
1991/01/24,27.7,27.6,27.3,27.4,27.2,27.1,27.1,27.1,27.2
1991/01/25,27.7,27.6,27.4,27.4,27.4,27.4,27.3,27.4,27.4
1991/01/28,27.7,27.7,27.6,27.4,27.3,27.2,27.1,27.1,27
1991/01/29,27.2,27.4,27.2,26.9,26.8,26.9,26.7,26.8,26.8
1991/01/30,27,27,26.9,26.9,26.6,26.6,26.7,26.6,26.5
1991/01/31,26.1,26.9,27.3,27,26.5,26.5,26.6,26.5,26.6
yyyy/mm/dd,199105,199107,199109,199111,199201,199203,199205,199207,199209
1991/02/01,27.5,27.6,27.2,27.2,27.1,27.2,27.3,27.2,27.2
1991/02/04,28.1,28.1,28.2,28,28.1,28,28,28,27.9
1991/02/05,28.2,28.1,28,28,27.9,28,27.9,27.8,27.8
1991/02/06,27.8,27.1,27.1,27.3,27.1,27,27,27,27
1991/02/07,26.4,26.4,26.6,26.8,26.9,26.6,26.6,26.5,26.5
1991/02/08,26.7,26.5,26.8,26.8,26.8,26.7,26.6,26.7,26.4
1991/02/12,25.9,25.7,25.8,25.9,25.8,25.7,25.4,25.5,25.6
1991/02/13,26.5,26.1,26.1,26.1,25.9,25.8,25.7,25.9,25.7
1991/02/14,26.6,26.5,26.1,26.1,26,25.9,25.9,26,25.9
1991/02/15,27.1,26.6,26.5,26.6,26.5,26.3,26,26,25.8
1991/02/18,27.2,27,26.9,26.9,26.7,26.3,26.3,26.4,26.5
1991/02/19,27.6,27.5,27.4,27.5,27.3,27.2,27,26.8,26.7
1991/02/20,28.6,28.1,28,27.9,27.7,27.4,27.1,27,27
1991/02/21,28.7,28.5,28,27.8,27.2,26.9,26.6,26.8,26.8
1991/02/22,28.9,28.1,27.9,27.6,26.9,27,26.8,26.8,26.8
1991/02/25,28.2,27.6,27.5,27.6,27,26.7,26.7,26.7,26.8
1991/02/26,29.4,28.7,28.9,28.7,28.4,27.9,27.7,27.6,27.7
1991/02/27,30.3,29.3,28.9,28.8,27.9,27.7,27.6,27.6,27.8
1991/02/28,30.7,30,29.8,29.6,28.7,28.3,28,28.1,28.2
yyyy/mm/dd,199105,199107,199109,199111,199201,199203,199205,199207,199209
1991/03/01,31.1,30.4,30,29.5,29,29,28.7,28.7,28.9
1991/03/04,32.7,32,30.5,30.6,29.6,29.6,29.5,29.4,29.4
1991/03/05,32.2,31.9,30,29.9,29.2,28.9,28.9,28.8,29
1991/03/06,32.7,32.6,30.5,30.2,29.7,29.3,29.3,29.4,29.5
1991/03/07,31,32.2,29.9,29.7,29.7,29,28.8,28.7,28.8
1991/03/08,32,31.7,31,30.9,30,29.4,29,29.1,29.4
1991/03/11,32.1,32.4,31,30.9,30,29.3,29.1,29.4,29.7
1991/03/12,32.3,32,30.1,29.7,29,28.6,28.3,28.4,28.7
1991/03/13,32.1,31.8,30.4,30,29.3,28.8,28.6,28.5,28.6
1991/03/14,32,31.6,30.2,29.7,28.9,28.6,28.7,28.8,28.8
1991/03/15,32.1,32.3,31,29.7,29.5,29.3,29.2,29,29.1
1991/03/18,32.1,31.9,30.9,29.6,29,29,28.5,28.6,28.6
1991/03/19,32.1,31.7,31,29.9,29.8,29.1,29.1,29.2,29.2
1991/03/20,32,32,31.6,30.6,30.2,29.3,29,29.2,29.3
1991/03/22,32.2,31.1,30.7,30,29.4,29.2,28.4,28.6,28.9
1991/03/25,32,31.6,31.2,30.5,29.9,29.4,29,29.4,29.3
1991/03/26,32.8,32.4,31.9,30.9,30.4,29.7,29.4,29.3,29.6
1991/03/27,32.8,32.8,32.4,31.4,30.3,29.8,29.5,29.5,29.6
1991/03/28,32.8,32.3,32,31.2,30.2,29.8,29.4,29.5,29.6
1991/03/29,31,31,31.5,30.8,30.4,29.8,29.1,29.5,29.4
yyyy/mm/dd,199107,199109,199111,199201,199203,199205,199207,199209,199211
1991/04/01,31.4,31.2,30.6,30,29.4,29.3,29,29.1,29.2
1991/04/02,31.6,31.5,30.7,30.4,29.5,29.3,29.2,29.2,29.4
1991/04/03,31,31.1,30.3,30.1,29.3,29.4,29,29.2,29.3
1991/04/04,31.4,31.2,30.7,30.4,29.9,29.7,29.4,29.4,29.9
1991/04/05,31.1,31.1,30.2,30,29.6,29.4,29.3,29.4,29.5
1991/04/08,31.1,31.6,30.3,30.1,29.5,29.4,29.3,29.6,29.8
1991/04/09,32,32,31.3,30.8,30.7,30.4,30.4,30.3,30.5
1991/04/10,31.5,31.7,31.2,30.5,30.2,30,30,30,30.4
1991/04/11,31,30.7,30.9,30.3,29.9,29.5,29.5,29.6,29.8
1991/04/12,30.2,30,30.2,29.6,29.6,29.3,29.1,29.2,29.5
1991/04/15,29,29.1,29,29,28.3,28.3,28.3,28.4,28.3
1991/04/16,28.7,28.7,28.7,28.2,28,27.7,28.1,28.1,28
1991/04/17,29,28.9,29,28.7,28.1,28,28.1,28.2,28.1
1991/04/18,29.3,29.1,28.9,28.7,28.1,28,28,28,28.4
1991/04/19,28.3,28.7,28.3,27.8,27.6,27.9,27.9,27.9,28.2
1991/04/22,28.2,28,28.1,27.9,27.6,27.8,27.6,27.6,27.6
1991/04/23,28.1,28,28,28,27.9,28.1,28,28.1,28.1
1991/04/24,28,27.9,27.5,27.4,27.2,27.4,27.3,27.5,27.7
1991/04/25,28.5,28.1,28.1,27.7,27.3,27.6,27.6,27.4,27.7
1991/04/26,28.4,27.8,28,27.5,27.4,27.4,27.4,27.6,27.7
1991/04/30,27.9,27.6,27.5,27.6,27.4,27.6,27.6,27.6,27.7
yyyy/mm/dd,199107,199109,199111,199201,199203,199205,199207,199209,199211
1991/05/01,27.1,27.2,27.4,27.3,27.2,27.4,27.3,27.6,27.7
1991/05/02,27.7,28,28,27.8,27.7,27.7,27.7,27.9,27.8
1991/05/07,27.6,27.7,27.7,27.6,27.5,27.5,27.4,27.5,27.7
1991/05/08,27.2,27.4,27.6,27.8,27.6,27.7,27.5,27.5,27.7
1991/05/09,27.1,27.4,27.4,27.2,27.3,27.4,27.4,27.4,27.6
1991/05/10,27.5,27.8,27.8,27.6,27.5,27.6,27.5,27.8,27.7
1991/05/13,27.3,27.5,27.5,27.5,27.4,27.5,27.4,27.5,27.7
1991/05/14,27.5,27.5,27.5,27.7,27.5,27.5,27.5,27.6,27.5
1991/05/15,27.2,27.5,27.3,27.3,27.3,27.3,27.2,27.4,27.5
1991/05/16,27.4,27.5,27.5,27.4,27.3,27.3,27.3,27.4,27.3
1991/05/17,27.5,27.6,27.4,27.2,27.4,27.3,27.4,27.4,27.3
1991/05/20,27.5,27.5,27.3,27.4,27.3,27.3,27.3,27.4,27.5
1991/05/21,27.6,27.7,27.6,27.6,27.5,27.6,27.4,27.5,27.5
1991/05/22,27.6,27.6,27.4,27.3,27.2,27.4,27.3,27.1,27.4
1991/05/23,27.9,27.9,27.3,27.4,27.3,27.5,27.4,27.3,27.3
1991/05/24,27.6,27.4,27.4,27.5,27.4,27.6,27.4,27.4,27.6
1991/05/27,27.8,27.9,27.6,27.6,27.5,27.7,27.6,27.6,27.8
1991/05/28,27.9,28,27.8,27.4,27.5,27.4,27.5,27.6,27.6
1991/05/29,28.2,28.1,27.4,27.3,27.5,27.6,27.5,27.6,27.7
1991/05/30,28.4,28.4,27.6,27.4,27.4,27.6,27.7,27.6,27.6
1991/05/31,27,28.4,27.8,27.7,27.5,27.4,27.7,27.6,27.4
yyyy/mm/dd,199109,199111,199201,199203,199205,199207,199209,199211,199301
1991/06/03,28.4,28,27.5,27.5,27.5,27.7,27.5,27.6,27.8
1991/06/04,29.1,28.5,28.1,28.1,27.9,27.8,27.9,27.8,27.9
1991/06/05,29.4,28.8,28.3,28.1,28,28,28,28.2,28.3
1991/06/06,29.6,28.9,28.4,27.7,28,27.8,28,28.1,28.3
1991/06/07,29.8,29,28.6,28.1,28.2,28.4,28.5,28.5,28.4
1991/06/10,31.4,29.7,29.5,28.9,28.9,28.9,29.3,29.2,29.6
1991/06/11,31.7,30.1,29.6,29,28.9,28.9,29.2,29.1,29.4
1991/06/12,31.9,29.9,29.8,28.9,28.9,29,29.3,29.2,29.4
1991/06/13,31.9,30.1,30,29.6,29.2,29.2,29.4,29.3,29.7
1991/06/14,33.1,31,30.5,29.9,29.4,29.7,29.8,29.6,29.5
1991/06/17,32.3,30.6,30,29.5,29.1,29.3,29.2,29.2,29.4
1991/06/18,33.3,32,30.9,30.1,29.6,29.9,29.8,29.7,29.8
1991/06/19,34,32.8,31.4,30.3,29.4,29.5,29.6,29.6,29.8
1991/06/20,34.3,32.7,31.5,30.4,29.6,29.7,29.6,29.6,29.8
1991/06/21,33.7,32,31.2,30.2,29.4,29.5,29.5,29.4,29.5
1991/06/24,33.8,32.1,31.2,29.5,29.1,29.2,29.2,29.4,29.6
1991/06/25,33.4,32.1,31.2,29.5,29.2,29.3,29.2,29.4,29.5
1991/06/26,34,33.1,31.9,30,29.5,29.6,29.6,29.8,29.8
1991/06/27,36.1,35.5,34.4,32.1,31.2,30.6,30.2,30.4,30.5
1991/06/28,35.2,33.5,32.4,30,29,29.3,29.3,29.3,29.5
yyyy/mm/dd,199109,199111,199201,199203,199205,199207,199209,199211,199301
1991/07/01,34.6,32.9,31.2,29.6,28.8,29.1,29.2,29.3,29.5
1991/07/02,34.5,32.8,31.2,29.5,28.8,28.9,29.1,29.1,29.3
1991/07/03,35.6,34.4,31.7,30,29.4,29.5,29.5,29.2,29.6
1991/07/04,38.9,36.6,33.2,31.1,29.9,29.9,29.8,29.7,29.8
1991/07/05,39.1,37.1,33.3,30.9,30,29.9,29.7,29.7,29.9
1991/07/08,42.5,39.6,35.7,32.6,30.6,30.6,30.2,30.2,30.5
1991/07/09,44.4,42.1,36.3,33,31.6,31.4,31.3,31.6,31.7
1991/07/10,41.4,39.6,33.8,30.6,30,30,29.9,30.2,30.6
1991/07/11,39,38.8,32.9,30.9,30.7,30.7,30.5,30.6,30.9
1991/07/12,38.9,37.8,33,31.3,30.8,30.9,30.6,30.8,31
1991/07/15,38.8,37.2,32.7,31.3,30.4,30.5,30.1,30.2,30.4
1991/07/16,35.2,34.8,30.6,29.8,29.6,29.3,29.2,29.4,29.9
1991/07/17,35,34.6,31.2,30.4,29.9,29.6,29.6,29.7,30.1
1991/07/18,35.3,34.9,31.3,29.9,29.7,29.7,29.6,29.9,30.1
1991/07/19,37.8,36.8,32.5,30.7,30.4,30,30.3,30.2,30.3
1991/07/22,37.3,36.1,31.9,30.3,29.8,29.7,29.9,29.7,30.1
1991/07/23,37.9,36.8,32.2,30.4,30.1,29.9,30.1,30.1,30.2
1991/07/24,39.1,37.3,31.9,30.3,30,30,30,30,30.3
1991/07/25,38,37.2,31.5,30.4,30.2,29.9,29.6,29.9,30.3
1991/07/26,38.5,37.5,32,30.7,30.2,30.1,29.9,30,30.5
1991/07/29,39.3,38.4,33,31.1,30.3,30.1,30.1,30.2,30.4
1991/07/30,37.5,37.2,32.1,30.8,29.9,29.9,29.9,30,30.4
1991/07/31,37.3,37.3,32.4,30.9,30.1,30.2,30.1,30.1,30.4
yyyy/mm/dd,199111,199201,199203,199205,199207,199209,199211,199301,199303
1991/08/01,37.9,32.7,31.1,30.1,30.1,30,30.1,30.4,30.3
1991/08/02,38.9,33.2,32.1,30.7,30.6,30.4,30.4,30.6,30.6
1991/08/05,38.3,33.2,31.4,30.3,30.3,30.2,30,30.3,30.4
1991/08/06,37.8,32.7,31.4,30.1,29.9,29.8,29.9,30.1,30.2
1991/08/07,37.1,32.6,30.9,29.7,29.6,29.6,29.9,29.8,30.1
1991/08/08,36.6,32.1,30.9,29.7,29.6,29.7,29.8,30,30.2
1991/08/09,36.2,31.6,30.2,29.3,29.2,29.4,29.4,29.7,29.8
1991/08/12,35.2,30.8,30,28.8,29,29.4,29.4,29.7,29.9
1991/08/13,34.5,29.5,28.9,28.2,28.1,28.4,28.5,28.4,28.7
1991/08/14,34.5,29.6,28.3,28.1,28.1,28.2,28.6,28.6,29
1991/08/15,34.5,29.6,28.5,28.3,28.2,28.4,28.5,28.7,29
1991/08/16,34.6,29.7,28.6,28.3,28.3,28.4,28.5,28.7,28.8
1991/08/19,34.5,29.7,28.7,28.4,28.4,28.6,28.6,28.7,28.7
1991/08/20,33,28.8,28,27.5,27.7,27.7,27.9,27.9,27.8
1991/08/21,33.2,28.7,27.8,27.5,27.5,27.9,27.9,28.1,28
1991/08/22,35,30,28.7,28.7,28.5,28.9,28.8,28.8,28.8
1991/08/23,34.7,30,28.6,28.5,28.4,28.2,28.1,28.2,28.3
1991/08/26,33.9,30,28.6,28.4,28.1,28.1,28.1,28.4,28.3
1991/08/27,34.8,30.8,29,28.7,28.3,28.4,28.4,28.7,28.9
1991/08/28,35.1,30.8,29.1,28.7,28.5,28.7,28.6,28.9,29.2
1991/08/29,36.3,31.9,29.6,28.9,28.8,28.9,28.9,29.1,29.2
1991/08/30,36,31.5,29.4,28.6,28.6,28.7,28.8,29,29
yyyy/mm/dd,199111,199201,199203,199205,199207,199209,199211,199301,199303
1991/09/02,36.5,31.6,29.4,28.8,28.7,28.7,28.8,29.2,29.3
1991/09/03,35.8,31.6,29.6,28.4,28.6,28.5,28.6,28.8,28.9
1991/09/04,35.4,31.3,29,28.4,28.4,28.3,28.5,28.6,28.8
1991/09/05,33.6,30,28.6,28.1,28,28,28.1,28.3,28.5
1991/09/06,34.4,30.8,29.4,29.5,29,28.9,28.9,29.3,29.2
1991/09/09,34.3,31.1,29.4,29.3,29,29,29,29.2,29
1991/09/10,33.9,30.8,29.3,29.2,28.8,28.7,28.7,28.9,29
1991/09/11,33.3,30.2,28.6,28.4,28.4,28.4,28.5,28.5,28.5
1991/09/12,33.6,30.2,28.8,28.7,28.6,28.5,28.5,28.6,28.7
1991/09/13,33.5,30.3,29,28.7,28.8,28.8,28.5,28.8,28.7
1991/09/17,33.4,30,28.6,28.5,28.4,28.4,28.4,28.6,28.6
1991/09/18,33.5,30.2,28.8,28.8,28.8,28.7,28.7,28.8,29
1991/09/19,33.7,30.3,28.9,28.9,28.9,28.8,28.7,28.9,29
1991/09/20,33.8,30.3,28.9,28.8,28.7,28.7,28.6,28.9,28.9
1991/09/24,33.4,30.2,28.9,28.8,28.7,28.6,28.6,28.7,28.8
1991/09/25,34,30.7,29.3,29.2,29,28.9,28.9,29,29.1
1991/09/26,33.5,30.7,29.2,29.1,29,29,28.9,29,29.1
1991/09/27,33.1,30.8,29.5,29.3,29.1,29.1,29.2,29.3,29.2
1991/09/30,32.7,30.8,29.1,29.1,29.1,29,29.3,29.4,29.3
yyyy/mm/dd,199201,199203,199205,199207,199209,199211,199301,199303,199305
1991/10/01,30.5,28.9,28.9,28.8,28.6,28.8,28.8,28.6,28.6
1991/10/02,30.7,29.2,28.9,28.8,28.6,28.7,28.7,28.8,28.7
1991/10/03,30.1,28.6,28.5,28.4,28.3,28.4,28.5,28.5,28.5
1991/10/04,29,28.2,28,27.8,27.8,27.8,28.1,27.9,27.7
1991/10/07,29.2,28.3,28,27.9,27.9,27.9,28,28,27.9
1991/10/08,29,28.3,28.1,27.9,28.1,28.1,28.1,28.1,28.2
1991/10/09,29.2,28.6,28.4,28.3,28.3,28.3,28,28.1,28.2
1991/10/11,28.8,28.1,27.8,27.7,27.7,27.6,27.7,27.7,27.6
1991/10/14,28.2,27.5,27.5,27.3,27.3,27.3,27.1,27.4,27.3
1991/10/15,28.1,27.5,27.6,27.5,27.5,27.4,27.3,27.3,27.4
1991/10/16,28.2,27.6,27.7,27.6,27.6,27.6,27.5,27.6,27.6
1991/10/17,28.9,28,27.9,27.9,27.8,27.9,27.7,27.8,27.7
1991/10/18,28.8,28.1,27.8,27.9,27.8,27.6,27.7,27.7,27.7
1991/10/21,29,27.9,27.7,27.5,27.7,27.6,27.5,27.6,27.7
1991/10/22,28.6,27.9,28,27.8,27.8,27.6,27.6,27.6,27.6
1991/10/23,29.3,28.5,28.3,28.3,28.2,27.9,28,28,27.9
1991/10/24,28.8,28.1,28,28,27.7,27.7,27.7,27.8,27.7
1991/10/25,28.9,28.2,28,28,27.8,27.7,27.8,27.7,27.7
1991/10/28,28.6,28,27.9,27.9,27.8,27.8,27.9,27.8,27.9
1991/10/29,28.9,28.3,28.1,28.1,28,28.1,28.1,28.1,28.1
1991/10/30,29.1,28.3,28.1,28.3,28.2,28.2,28.1,28.1,28.2
1991/10/31,29.1,28.3,28.3,28.2,28.2,28.3,28.3,28.2,28.2
yyyy/mm/dd,199201,199203,199205,199207,199209,199211,199301,199303,199305
1991/11/01,29.1,28.2,28.3,28.3,28.2,28.2,28.1,28.1,28.2
1991/11/05,28.9,28.1,28.1,28.1,28.1,28,28,28,28.1
1991/11/06,28.8,28.1,28,28,28,27.9,27.9,28,27.9
1991/11/07,28.2,27.6,27.5,27.5,27.5,27.4,27.5,27.5,27.5
1991/11/08,28.2,27.6,27.6,27.7,27.7,27.7,27.7,27.6,27.8
1991/11/11,27.7,27.6,27.6,27.6,27.6,27.6,27.6,27.6,27.6
1991/11/12,27.7,27.8,27.5,27.6,27.7,27.7,27.6,27.5,27.7
1991/11/13,27.3,27.4,27.4,27.4,27.4,27.4,27.4,27.4,27.5
1991/11/14,26.3,26.7,26.8,26.8,26.8,26.9,27,27,27.1
1991/11/15,25.8,26.6,26.5,26.6,26.6,26.7,26.6,26.7,26.9
1991/11/18,25.9,26.7,26.5,26.6,26.6,26.7,26.7,26.8,26.9
1991/11/19,25.9,26.4,26.5,26.7,26.6,26.7,26.7,26.8,27.1
1991/11/20,25.5,26.4,26.3,26.4,26.3,26.4,26.4,26.6,26.7
1991/11/21,26,26.7,26.7,26.7,26.7,26.8,26.7,26.9,26.9
1991/11/22,25.9,26.7,26.8,26.8,27,26.9,27,27.1,27.1
1991/11/25,25.5,26.8,26.9,26.9,27,27.1,27.2,27.1,27.2
1991/11/26,25.1,27,27.1,27.4,27.3,27.4,27.3,27.4,27.4
1991/11/27,25,27.1,27.4,27.5,27.4,27.4,27.3,27.4,27.2
1991/11/28,24.9,27.1,27.1,27.1,27,27.1,27.1,27.2,27.1
1991/11/29,24.4,26.9,27,27.2,27.1,27.2,27,27.2,27.3
yyyy/mm/dd,199203,199205,199207,199209,199211,199301,199303,199305,199307
1991/12/02,27.2,27.5,27.7,27.6,27.5,27.5,27.4,27.5,27.5
1991/12/03,27.2,27.5,27.5,27.4,27.5,27.5,27.5,27.5,27.5
1991/12/04,27.5,27.6,27.6,27.7,27.7,27.7,27.7,27.6,27.6
1991/12/05,27.4,27.4,27.5,27.5,27.5,27.5,27.5,27.5,27.5
1991/12/06,27.3,27.3,27.3,27.4,27.4,27.3,27.2,27.2,27.1
1991/12/09,26.3,26.9,26.6,26.8,26.8,26.9,26.8,26.7,26.8
1991/12/10,26.7,27.1,27,27.1,27.1,27,27.1,27,27
1991/12/11,26.3,27,27.1,27.1,27.1,27,27,26.9,26.9
1991/12/12,26,26.5,26.7,26.6,26.7,26.6,26.7,26.7,26.7
1991/12/13,25.5,26.4,26.4,26.3,26.4,26.4,26.5,26.5,26.4
1991/12/16,25.6,26.4,26.4,26.4,26.5,26.4,26.4,26.6,26.4
1991/12/17,25.5,26.2,26.4,26.5,26.5,26.5,26.4,26.3,26.2
1991/12/18,25.2,25.8,26.2,26.2,26.3,26.2,26.4,26.4,26.3
1991/12/19,24.7,25.8,26.3,26.2,26.2,26.2,26.1,26.2,26
1991/12/20,24.8,25.8,26,26,26,26,25.9,26,26
1991/12/24,25.3,25.9,26,25.9,25.9,25.9,26,26,26
1991/12/25,25.2,26,26,26,26,25.9,26,26,26
1991/12/26,25,26,26,25.9,26,25.9,25.7,25.9,25.9
1991/12/27,24.9,25.6,25.6,25.3,25.2,25.1,25.2,25.2,25
1991/12/30,24.9,25.8,25.5,25.2,25,24.9,24.7,24.8,24.7