Frequencies for first 10,000 rows of fmaps variable in natlterr1996 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         19        0.19        0.19
          1 |         11        0.11        0.30
          2 |          6        0.06        0.36
          3 |         14        0.14        0.50
          4 |         11        0.11        0.61
          5 |         20        0.20        0.81
          6 |         39        0.39        1.20
          7 |         93        0.93        2.13
          8 |        546        5.46        7.59
          9 |      8,446       84.46       92.05
         10 |        774        7.74       99.79
         99 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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