Frequencies for first 10,000 rows of fmaps variable in natl1982 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         10        0.10        0.10
          1 |         22        0.22        0.32
          2 |         10        0.10        0.42
          3 |         14        0.14        0.56
          4 |         16        0.16        0.72
          5 |         48        0.48        1.20
          6 |         71        0.71        1.91
          7 |        174        1.74        3.65
          8 |        854        8.54       12.19
          9 |      5,725       57.25       69.44
         10 |      2,984       29.84       99.28
         99 |         72        0.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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