About study results of 9,674
37:15 33:44 42:19 29:10 30:48 41:09 27:26 61:01 46:41 25:50 36:51 27:41 35:01 51:47 39:34 30:33 30:28 25:42 59:53 23:55 32:47 43:25 47:23 45:56 40:41 34:20 31:01 51:12 38:05 45:37 32:38 33:56 28:19 96:58 132:03 97:13 132:03 160:53 77:38 78:46 72:14 75:59 72:05 71:49 91:56 60:47