Gender	Mass	Rate	GroupNum
M	62.0	1792	1
M	62.9	1666	1
F	36.1	995	2
F	54.6	1425	2
F	48.5	1396	2
F	42.0	1418	2
M	47.4	1362	1
F	50.6	1502	2
F	42.0	1256	2
M	48.7	1614	1
F	40.3	1189	2
F	33.1	913	2
M	51.9	1460	1
F	42.4	1124	2
F	34.5	1052	2
F	51.1	1347	2
F	41.2	1204	2
M	51.9	1867	1
M	46.9	1439	1