Frequencies for first 10,000 rows of fmaps variable in natl1998 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          9        0.09        0.09
          1 |         15        0.15        0.24
          2 |         10        0.10        0.34
          3 |         15        0.15        0.49
          4 |         19        0.19        0.68
          5 |         33        0.33        1.01
          6 |         48        0.48        1.49
          7 |        138        1.38        2.87
          8 |        658        6.58        9.45
          9 |      7,840       78.40       87.85
         10 |      1,201       12.01       99.86
         99 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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