Frequencies for first 10,000 rows of cause23d variable in namcs1996 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,933       99.33       99.33
        849 |         50        0.50       99.83
        884 |          1        0.01       99.84
        885 |          2        0.02       99.86
        888 |          3        0.03       99.89
        917 |          2        0.02       99.91
        919 |          1        0.01       99.92
        926 |          1        0.01       99.93
        927 |          2        0.02       99.95
        928 |          1        0.01       99.96
        929 |          2        0.02       99.98
        930 |          1        0.01       99.99
        943 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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