Frequencies for first 10,000 rows of mar_p variable in natlterr2014 dataset :

  Paternity |
Acknowledge |
    d Y Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,077       10.77       10.77
          N |      1,286       12.86       23.63
          U |        329        3.29       26.92
          X |      3,280       32.80       59.72
          Y |      4,028       40.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016