Frequencies for first 10,000 rows of cause2r variable in namcs2002 dataset :

   Cause of |
injury #2 - |
    numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,972       99.72       99.72
       7100 |          1        0.01       99.73
       8261 |          1        0.01       99.74
       8781 |          1        0.01       99.75
       8785 |          1        0.01       99.76
       8788 |          1        0.01       99.77
       8810 |          2        0.02       99.79
       8870 |          1        0.01       99.80
       8881 |          3        0.03       99.83
       8889 |          1        0.01       99.84
       9051 |          2        0.02       99.86
       9063 |          1        0.01       99.87
       9064 |          1        0.01       99.88
       9170 |          1        0.01       99.89
       9179 |          1        0.01       99.90
       9209 |          1        0.01       99.91
       9262 |          1        0.01       99.92
       9269 |          1        0.01       99.93
       9270 |          3        0.03       99.96
       9298 |          2        0.02       99.98
       9313 |          1        0.01       99.99
       9679 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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