Frequencies for first 10,000 rows of nlbnl variable in natlterr1995 dataset :

  Number of |
Live Births |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,300       43.00       43.00
          1 |      3,016       30.16       73.16
          2 |      1,615       16.15       89.31
          3 |        605        6.05       95.36
          4 |        245        2.45       97.81
          5 |         98        0.98       98.79
          6 |         53        0.53       99.32
          7 |         36        0.36       99.68
          8 |         16        0.16       99.84
          9 |          6        0.06       99.90
         10 |          4        0.04       99.94
         11 |          1        0.01       99.95
         12 |          3        0.03       99.98
         13 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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