Frequencies for first 10,000 rows of fmaps variable in natl1994 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          6        0.06        0.06
          1 |         15        0.15        0.21
          2 |          7        0.07        0.28
          3 |          8        0.08        0.36
          4 |         11        0.11        0.47
          5 |         26        0.26        0.73
          6 |         64        0.64        1.37
          7 |        122        1.22        2.59
          8 |        595        5.95        8.54
          9 |      7,632       76.32       84.86
         10 |      1,477       14.77       99.63
         99 |         37        0.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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