Frequencies for first 10,000 rows of fmapsr variable in natl1981 dataset :

Five Minute |
Apgar Score |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         44        0.44        0.44
          2 |        120        1.20        1.64
          3 |      1,051       10.51       12.15
          4 |      8,702       87.02       99.17
          5 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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