Frequencies for first 10,000 rows of cause3r variable in nhamcsed2005 dataset :

   cause of |
  injury #3 |
  – numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,955       99.55       99.55
       7000 |          4        0.04       99.59
       7100 |          7        0.07       99.66
       8490 |          7        0.07       99.73
       8495 |          8        0.08       99.81
       8496 |          7        0.07       99.88
       8500 |          1        0.01       99.89
       8636 |          1        0.01       99.90
       8788 |          1        0.01       99.91
       8888 |          1        0.01       99.92
       8889 |          1        0.01       99.93
       8990 |          1        0.01       99.94
       9140 |          1        0.01       99.95
       9323 |          1        0.01       99.96
       9478 |          1        0.01       99.97
       9504 |          2        0.02       99.99
       9689 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016