Frequencies for first 10,000 rows of dtotord variable in natl1998 dataset :

     Detail |
Total Birth |
      Order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,683       36.83       36.83
          2 |      3,192       31.92       68.75
          3 |      1,737       17.37       86.12
          4 |        751        7.51       93.63
          5 |        346        3.46       97.09
          6 |        147        1.47       98.56
          7 |         72        0.72       99.28
          8 |         34        0.34       99.62
          9 |         17        0.17       99.79
         10 |          9        0.09       99.88
         11 |          5        0.05       99.93
         12 |          2        0.02       99.95
         14 |          3        0.03       99.98
         15 |          1        0.01       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015