Frequencies for first 10,000 rows of dlivord variable in natl1971 dataset :

Detail Live |
birth order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,005       40.05       40.05
          2 |      2,686       26.86       66.91
          3 |      1,469       14.69       81.60
          4 |        717        7.17       88.77
          5 |        407        4.07       92.84
          6 |        242        2.42       95.26
          7 |        142        1.42       96.68
          8 |         98        0.98       97.66
          9 |         75        0.75       98.41
         10 |         33        0.33       98.74
         11 |         29        0.29       99.03
         12 |         26        0.26       99.29
         13 |         11        0.11       99.40
         14 |          4        0.04       99.44
         15 |          5        0.05       99.49
         16 |          1        0.01       99.50
         18 |          5        0.05       99.55
         19 |          1        0.01       99.56
         99 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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