Frequencies for first 10,000 rows of dtotord variable in natl2000 dataset :

     Detail |
Total Birth |
      Order |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,520       35.20       35.20
          2 |      3,169       31.69       66.89
          3 |      1,835       18.35       85.24
          4 |        825        8.25       93.49
          5 |        365        3.65       97.14
          6 |        165        1.65       98.79
          7 |         50        0.50       99.29
          8 |         33        0.33       99.62
          9 |         18        0.18       99.80
         10 |          8        0.08       99.88
         11 |          2        0.02       99.90
         12 |          2        0.02       99.92
         13 |          2        0.02       99.94
         14 |          2        0.02       99.96
         15 |          1        0.01       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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