,2011-12-07 09:30,7,0.2945,0.2948,0.2945,0.2948,7
,2011-12-12 13:00,12,0.2866,0.2866,0.2863,0.2863,4
,2011-12-20 07:30,20,0.291,0.291,0.291,0.291,1
,2011-12-28 08:00,28,0.29496,0.29496,0.29496,0.29496,1
,2012-03-12 08:30,12,0.319,0.3192,0.319,0.3192,3
,2012-03-12 09:00,12,0.3188,0.3188,0.3188,0.3188,1