yyyy/mm/dd,200901,200903
2009/01/05,150,1131
2009/01/06,150,1131
2009/01/07,150,1131
2009/01/08,150,1131
2009/01/09,150,1131
2009/01/13,150,1131
2009/01/14,150,1131
2009/01/15,150,1131
2009/01/16,150,1131
2009/01/19,150,1131
2009/01/20,150,1131
2009/01/21,150,1131
2009/01/22,150,1131
2009/01/23,150,1131
2009/01/26,,1131
2009/01/27,,1131
2009/01/28,,1131
2009/01/29,,1131
2009/01/30,,1131
yyyy/mm/dd,200903
2009/02/02,1131
2009/02/03,1131
2009/02/04,1131
2009/02/05,1131
2009/02/06,1131
2009/02/09,1131
2009/02/10,1131
2009/02/12,1131
2009/02/13,1131
2009/02/16,1131
2009/02/17,1131
2009/02/18,1131
2009/02/19,1131
2009/02/20,1131
2009/02/23,1131
2009/02/24,1131
2009/02/25,1131
2009/02/26,1131
2009/02/27,1131
yyyy/mm/dd,200903
2009/03/02,1131
2009/03/03,1131
2009/03/04,1131
2009/03/05,1131
2009/03/06,1131
2009/03/09,1131
2009/03/10,1131
2009/03/11,1131
2009/03/12,1131
2009/03/13,1131
2009/03/16,1131
2009/03/17,1131
2009/03/18,1131
2009/03/19,1131
2009/03/23,1131
2009/03/24,1131