Frequencies for first 10,000 rows of fmaps variable in natl1993 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         12        0.12        0.12
          1 |         17        0.17        0.29
          2 |         10        0.10        0.39
          3 |         13        0.13        0.52
          4 |         12        0.12        0.64
          5 |         23        0.23        0.87
          6 |         47        0.47        1.34
          7 |        120        1.20        2.54
          8 |        570        5.70        8.24
          9 |      7,460       74.60       82.84
         10 |      1,685       16.85       99.69
         99 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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