Frequencies for first 10,000 rows of dtotord variable in natl1999 dataset :

     Detail |
Total Birth |
      Order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,646       36.46       36.46
          2 |      3,128       31.28       67.74
          3 |      1,810       18.10       85.84
          4 |        821        8.21       94.05
          5 |        362        3.62       97.67
          6 |        135        1.35       99.02
          7 |         53        0.53       99.55
          8 |         22        0.22       99.77
          9 |         12        0.12       99.89
         10 |          5        0.05       99.94
         11 |          3        0.03       99.97
         12 |          1        0.01       99.98
         13 |          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