About study results of 9,554
68:56 75:01 60:29 69:47 60:57 68:56 124:24 31:01 23:55 51:47 61:01 61:06 49:31 28:19 43:56 36:57 45:37 31:18 38:05 26:31 36:51 37:15 39:34 27:41 44:09 29:05 30:48 26:41 49:34 28:21 32:15 38:09 32:54 30:33 46:41 36:08 43:09 29:10 25:42 27:26 35:01 30:41 30:28 42:19 25:50 32:38