Frequencies for first 10,000 rows of cause23d variable in nhamcsopd2003 dataset :

             cause of injury #2 - broad |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                   not applicable/blank |      9,844       98.44       98.44
                         drug use/abuse |          7        0.07       98.51
                      alcohol use/abuse |         11        0.11       98.62
nontraffic accident involving other o.. |          2        0.02       98.64
                    place of occurrence |        106        1.06       99.70
    accidental poisoning by other drugs |          1        0.01       99.71
surg operatn/oth surg procs as caus o.. |          1        0.01       99.72
other procs, w/o misadventure at time.. |          1        0.01       99.73
        fall on or from stairs or steps |          1        0.01       99.74
fall on same level from slipping, tri.. |          2        0.02       99.76
             other and unspecified fall |          3        0.03       99.79
          accidents caused by machinery |          1        0.01       99.80
accidents caused by cutting and pierc.. |          3        0.03       99.83
accident caus by hot substnce/objct, .. |          1        0.01       99.84
   overexertion and strenuous movements |          1        0.01       99.85
      late effects of accidental injury |          2        0.02       99.87
other and unspecified drugs and medic.. |          1        0.01       99.88
                 fight, brawl, and rape |          2        0.02       99.90
 child battering and other maltreatment |         10        0.10      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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