Frequencies for first 10,000 rows of nlbnl variable in natl1994 dataset :

  Number of |
Live Births |
 Now Living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,436       44.36       44.36
          1 |      3,417       34.17       78.53
          2 |      1,451       14.51       93.04
          3 |        463        4.63       97.67
          4 |        147        1.47       99.14
          5 |         50        0.50       99.64
          6 |         19        0.19       99.83
          7 |          8        0.08       99.91
          8 |          4        0.04       99.95
          9 |          1        0.01       99.96
         99 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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