Frequencies for first 10,000 rows of apgar5 variable in natl2005 dataset :

Five Minute |
Apgar Score |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8        0.08        0.08
          1 |          9        0.09        0.17
          2 |          5        0.05        0.22
          3 |         13        0.13        0.35
          4 |         16        0.16        0.51
          5 |         32        0.32        0.83
          6 |         52        0.52        1.35
          7 |        204        2.04        3.39
          8 |        924        9.24       12.63
          9 |      8,013       80.13       92.76
         10 |        700        7.00       99.76
         99 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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