Frequencies for first 10,000 rows of livord3 variable in natl1970 dataset :

 Live birth |
      order |
   Recode 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,046       40.46       40.46
          2 |      5,912       59.12       99.58
          3 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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