Frequencies for first 10,000 rows of livord9 variable in natl1989 dataset :

 Live Birth |
      Order |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,315       43.15       43.15
          2 |      3,396       33.96       77.11
          3 |      1,488       14.88       91.99
          4 |        489        4.89       96.88
          5 |        147        1.47       98.35
          6 |         72        0.72       99.07
          7 |         30        0.30       99.37
          8 |         35        0.35       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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