Frequencies for first 10,000 rows of nlbnl variable in natl1973 dataset :

 Born alive |
      - now |
     living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,427       44.27       44.27
          1 |      2,787       27.87       72.14
          2 |      1,326       13.26       85.40
          3 |        618        6.18       91.58
          4 |        292        2.92       94.50
          5 |        200        2.00       96.50
          6 |        101        1.01       97.51
          7 |         77        0.77       98.28
          8 |         56        0.56       98.84
          9 |         25        0.25       99.09
         10 |         15        0.15       99.24
         11 |         13        0.13       99.37
         12 |          8        0.08       99.45
         13 |          3        0.03       99.48
         14 |          3        0.03       99.51
         15 |          1        0.01       99.52
         16 |          1        0.01       99.53
         55 |          1        0.01       99.54
         77 |          4        0.04       99.58
         99 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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