Frequencies for first 10,000 rows of cause3r variable in nhamcsed2006 dataset :

   cause of |
  injury #3 |
  – numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,948       99.48       99.48
       7000 |         10        0.10       99.58
       7100 |         13        0.13       99.71
       8490 |          8        0.08       99.79
       8493 |          2        0.02       99.81
       8494 |          2        0.02       99.83
       8495 |          7        0.07       99.90
       8496 |          1        0.01       99.91
       8497 |          1        0.01       99.92
       8498 |          2        0.02       99.94
       8542 |          1        0.01       99.95
       8586 |          1        0.01       99.96
       9208 |          1        0.01       99.97
       9270 |          1        0.01       99.98
       9589 |          1        0.01       99.99
       9670 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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