Frequencies for first 10,000 rows of livord3 variable in natl1972 dataset :

 Live birth |
      order |
   Recode 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,214       42.14       42.14
          2 |      5,737       57.37       99.51
          3 |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016