Frequencies for first 10,000 rows of cause23d variable in nhamcsed1998 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,613       96.13       96.13
        849 |        270        2.70       98.83
        850 |          1        0.01       98.84
        855 |          1        0.01       98.85
        858 |          1        0.01       98.86
        878 |          1        0.01       98.87
        879 |          1        0.01       98.88
        880 |          1        0.01       98.89
        882 |          1        0.01       98.90
        884 |         10        0.10       99.00
        885 |         13        0.13       99.13
        888 |         47        0.47       99.60
        906 |          1        0.01       99.61
        915 |          1        0.01       99.62
        916 |          1        0.01       99.63
        917 |          5        0.05       99.68
        919 |          1        0.01       99.69
        927 |          1        0.01       99.70
        929 |          1        0.01       99.71
        931 |          1        0.01       99.72
        945 |          1        0.01       99.73
        949 |          3        0.03       99.76
        950 |          6        0.06       99.82
        960 |          5        0.05       99.87
        966 |          1        0.01       99.88
        967 |          5        0.05       99.93
        968 |          6        0.06       99.99
        985 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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