Frequencies for first 10,000 rows of nlbnl variable in natl1974 dataset :

 Born alive |
      - now |
     living |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,459       44.59       44.59
          1 |      2,937       29.37       73.96
          2 |      1,301       13.01       86.97
          3 |        608        6.08       93.05
          4 |        284        2.84       95.89
          5 |        160        1.60       97.49
          6 |         96        0.96       98.45
          7 |         45        0.45       98.90
          8 |         31        0.31       99.21
          9 |         24        0.24       99.45
         10 |         14        0.14       99.59
         11 |         11        0.11       99.70
         12 |          3        0.03       99.73
         13 |          2        0.02       99.75
         15 |          1        0.01       99.76
         18 |          1        0.01       99.77
         55 |          1        0.01       99.78
         66 |          1        0.01       99.79
         77 |          7        0.07       99.86
         99 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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