sex      dom  nondom 
Male      37    16
Female    31    12
Male      27    10
Female    39    18
Female    23     8
Male      21     9
Female    33    11
Male      30    17
Female    35    16
Female    43    19
Male      34     9
Female    41    18
Female    33     7
Male      34    13
Male      29    10
Male      32    15
Female    32    10
Female    48    23
Male      31    12
Female    39     8
Male      31    12
Female    18     7
Male      40    18
Female    31     6
Female    41    10
Male      26    13
Male      40    24
Female    33    14
Female    36    13
Female    31    12
Female    32    12
Female    42    13
Male      41    20
Male      37    17
Female    38    12
Female    32    12
Female    32    13
Male      36    10
Male      25     8
Female    37    18
Male      40    22
Male      43    14
Female    40    12
Male      30     9
Female    39    10
Male      35    19
Male      35    11
Male      37    21
Female    41    15
Male      23     6
Male      47    16
Male      41    13
Female    30    10
Male      25    13
Male      27    12
Male      33    10
Female    29    10
Male      32    17
Male      39    16
Female    42    15
Male      36    14
Male      27    12
Male      33     6