,2012-07-31 02:30,31,6.59,6.59,6.59,6.59,1
,2012-07-31 03:30,31,6.61,6.65,6.61,6.65,11
,2012-08-01 07:00,1,6.91,6.91,6.91,6.91,5
,2012-08-01 07:30,1,6.91,6.91,6.91,6.91,5
,2012-08-01 09:30,1,6.96,6.96,6.96,6.96,1
,2012-08-02 04:30,2,7,7.05,7,7.05,20
,2012-08-02 07:00,2,7.11,7.11,7.11,7.11,5
,2012-08-02 07:30,2,7.12,7.2,7,7,40
,2012-08-02 08:00,2,7.05,7.06,7.05,7.06,13
,2012-08-02 09:30,2,7.09,7.09,7.09,7.09,2
,2012-08-03 03:00,3,7.08,7.08,7.08,7.08,10
,2012-08-03 08:00,3,7.14,7.16,7.14,7.16,29
,2012-08-03 08:30,3,7.16,7.16,7.16,7.16,5
,2012-08-03 09:00,3,7.14,7.14,7.14,7.14,1
,2012-08-03 09:30,3,7.11,7.11,7.1,7.1,15
,2012-08-06 07:30,6,7.04,7.04,7.04,7.04,5
,2012-08-06 10:30,6,7.15,7.19,7.15,7.19,14
,2012-08-07 02:00,7,7.23,7.23,7.23,7.23,5
,2012-08-07 02:30,7,7.2,7.24,7.2,7.24,26
,2012-08-07 09:30,7,7.25,7.25,7.25,7.25,10
,2012-08-07 10:30,7,7.25,7.25,7.25,7.25,11
,2012-08-08 10:30,8,7.23,7.23,7.23,7.23,5
,2012-08-09 10:30,9,7.09,7.09,7.09,7.09,4
,2012-08-10 04:00,10,7.03,7.03,7.03,7.03,4
,2012-08-13 06:00,13,7.3,7.34,7.3,7.34,15
,2012-08-13 10:30,13,7.34,7.45,7.34,7.43,25
,2012-08-15 02:30,15,7.47,7.47,7.47,7.47,10
,2012-08-15 04:30,15,7.48,7.48,7.48,7.48,5
,2012-08-15 07:00,15,7.44,7.45,7.44,7.45,21
,2012-08-15 07:30,15,7.44,7.44,7.44,7.44,1
,2012-08-16 10:30,16,7.62,7.62,7.62,7.62,5
,2012-08-17 06:00,17,7.59,7.59,7.59,7.59,10
,2012-08-17 09:00,17,7.62,7.62,7.62,7.62,6