Frequencies for first 10,000 rows of cause23d variable in nhamcsed1997 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,520       95.20       95.20
        818 |          1        0.01       95.21
        819 |          1        0.01       95.22
        849 |        346        3.46       98.68
        860 |          1        0.01       98.69
        867 |          1        0.01       98.70
        880 |          1        0.01       98.71
        884 |         10        0.10       98.81
        885 |         19        0.19       99.00
        887 |          1        0.01       99.01
        888 |         43        0.43       99.44
        905 |          1        0.01       99.45
        906 |          1        0.01       99.46
        916 |          2        0.02       99.48
        917 |          1        0.01       99.49
        920 |          2        0.02       99.51
        924 |          1        0.01       99.52
        925 |          1        0.01       99.53
        927 |          4        0.04       99.57
        928 |          3        0.03       99.60
        929 |          2        0.02       99.62
        930 |          1        0.01       99.63
        948 |          1        0.01       99.64
        949 |          1        0.01       99.65
        950 |          6        0.06       99.71
        958 |          1        0.01       99.72
        960 |          3        0.03       99.75
        966 |          1        0.01       99.76
        967 |         16        0.16       99.92
        968 |          6        0.06       99.98
        980 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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