Frequencies for first 10,000 rows of dlivord variable in natl1978 dataset :

Detail Live |
birth order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,266       42.66       42.66
          2 |      3,187       31.87       74.53
          3 |      1,462       14.62       89.15
          4 |        551        5.51       94.66
          5 |        220        2.20       96.86
          6 |        131        1.31       98.17
          7 |         67        0.67       98.84
          8 |         43        0.43       99.27
          9 |         28        0.28       99.55
         10 |         17        0.17       99.72
         11 |         11        0.11       99.83
         12 |          4        0.04       99.87
         13 |          2        0.02       99.89
         14 |          2        0.02       99.91
         15 |          1        0.01       99.92
         16 |          3        0.03       99.95
         17 |          1        0.01       99.96
         18 |          1        0.01       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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