Frequencies for first 10,000 rows of fmapsr variable in natlterr2002 dataset :

Five Minute |
Apgar Score |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         29        0.29        0.29
          2 |         55        0.55        0.84
          3 |        534        5.34        6.18
          4 |      9,379       93.79       99.97
          5 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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