Frequencies for first 10,000 rows of fmaps variable in natlterr1999 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         22        0.22        0.22
          1 |          9        0.09        0.31
          2 |          9        0.09        0.40
          3 |          7        0.07        0.47
          4 |          9        0.09        0.56
          5 |         16        0.16        0.72
          6 |         25        0.25        0.97
          7 |         81        0.81        1.78
          8 |        465        4.65        6.43
          9 |      8,630       86.30       92.73
         10 |        712        7.12       99.85
         99 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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