Frequencies for first 10,000 rows of fmaps variable in natlterr2000 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         11        0.11        0.11
          1 |          3        0.03        0.14
          2 |          5        0.05        0.19
          3 |          6        0.06        0.25
          4 |         15        0.15        0.40
          5 |         24        0.24        0.64
          6 |         25        0.25        0.89
          7 |         95        0.95        1.84
          8 |        446        4.46        6.30
          9 |      8,779       87.79       94.09
         10 |        587        5.87       99.96
         99 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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