Frequencies for first 10,000 rows of ume_forcep variable in natlterr2014 datase

  Forceps 1 |
        Yes |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         34        0.34        0.34
          2 |      8,729       87.29       87.63
          9 |      1,237       12.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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