Frequencies for first 10,000 rows of apgar5 variable in natl2003 dataset :

Five Minute |
Apgar Score |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8        0.08        0.08
          1 |          7        0.07        0.15
          2 |          5        0.05        0.20
          3 |          4        0.04        0.24
          4 |         13        0.13        0.37
          5 |         27        0.27        0.64
          6 |         72        0.72        1.36
          7 |        211        2.11        3.47
          8 |        931        9.31       12.78
          9 |      7,925       79.25       92.03
         10 |        649        6.49       98.52
         99 |        148        1.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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