Frequencies for first 10,000 rows of dlivord variable in natl1970 dataset :

Detail Live |
birth order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,046       40.46       40.46
          2 |      2,588       25.88       66.34
          3 |      1,417       14.17       80.51
          4 |        773        7.73       88.24
          5 |        413        4.13       92.37
          6 |        223        2.23       94.60
          7 |        151        1.51       96.11
          8 |        108        1.08       97.19
          9 |         78        0.78       97.97
         10 |         60        0.60       98.57
         11 |         41        0.41       98.98
         12 |         23        0.23       99.21
         13 |         15        0.15       99.36
         14 |         14        0.14       99.50
         15 |          4        0.04       99.54
         16 |          1        0.01       99.55
         17 |          1        0.01       99.56
         18 |          2        0.02       99.58
         99 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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