Frequencies for first 10,000 rows of cause23d variable in namcs2000 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,978       99.78       99.78
        858 |          1        0.01       99.79
        860 |          1        0.01       99.80
        878 |          2        0.02       99.82
        880 |          1        0.01       99.83
        885 |          3        0.03       99.86
        888 |          2        0.02       99.88
        915 |          1        0.01       99.89
        917 |          3        0.03       99.92
        919 |          1        0.01       99.93
        920 |          1        0.01       99.94
        929 |          1        0.01       99.95
        935 |          1        0.01       99.96
        967 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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