Frequencies for first 10,000 rows of apgar5 variable in natlterr2005 dataset :

Five Minute |
Apgar Score |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         13        0.13        0.13
          2 |          2        0.02        0.15
          3 |          6        0.06        0.21
          4 |         13        0.13        0.34
          5 |         18        0.18        0.52
          6 |         20        0.20        0.72
          7 |        105        1.05        1.77
          8 |        569        5.69        7.46
          9 |      7,014       70.14       77.60
         10 |        490        4.90       82.50
         99 |      1,750       17.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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