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

     Detail |
Total Birth |
      Order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,734       37.34       37.34
          2 |      3,138       31.38       68.72
          3 |      1,757       17.57       86.29
          4 |        799        7.99       94.28
          5 |        299        2.99       97.27
          6 |        123        1.23       98.50
          7 |         52        0.52       99.02
          8 |         30        0.30       99.32
          9 |         21        0.21       99.53
         10 |          8        0.08       99.61
         11 |          3        0.03       99.64
         12 |          3        0.03       99.67
         13 |          1        0.01       99.68
         14 |          2        0.02       99.70
         16 |          2        0.02       99.72
         99 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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