Frequencies for first 10,000 rows of nlbnl variable in natlterr1996 dataset :

  Number of |
Live Births |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,273       42.73       42.73
          1 |      3,103       31.03       73.76
          2 |      1,598       15.98       89.74
          3 |        560        5.60       95.34
          4 |        262        2.62       97.96
          5 |        112        1.12       99.08
          6 |         48        0.48       99.56
          7 |         25        0.25       99.81
          8 |          7        0.07       99.88
          9 |          4        0.04       99.92
         10 |          6        0.06       99.98
         11 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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