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

Five Minute |
Apgar Score |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         47        0.47        0.47
          2 |         50        0.50        0.97
          3 |        546        5.46        6.43
          4 |      9,342       93.42       99.85
          5 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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