Frequencies for first 10,000 rows of cause23d variable in nhamcsed1993 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
       8000 |      7,189       71.89       71.89
       8001 |      2,764       27.64       99.53
       8849 |         30        0.30       99.83
       8850 |          1        0.01       99.84
       8853 |          1        0.01       99.85
       8855 |          1        0.01       99.86
       8858 |          1        0.01       99.87
       8860 |          1        0.01       99.88
       8878 |          1        0.01       99.89
       8880 |          1        0.01       99.90
       8888 |          1        0.01       99.91
       8906 |          1        0.01       99.92
       8912 |          1        0.01       99.93
       8917 |          1        0.01       99.94
       8920 |          1        0.01       99.95
       8926 |          1        0.01       99.96
       8928 |          1        0.01       99.97
       8966 |          1        0.01       99.98
       8968 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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