Frequencies for first 10,000 rows of cause3 variable in nhamcsed2006 dataset :

                     cause of injury #3 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                   not applicable/blank |      9,948       99.48       99.48
                         drug use/abuse |         10        0.10       99.58
                      alcohol use/abuse |         13        0.13       99.71
   overexertion and strenuous movements |          1        0.01       99.72
              place of occurrence--home |          8        0.08       99.80
place of occurrence--industrial place.. |          2        0.02       99.82
place of occurrence--place for recrea.. |          2        0.02       99.84
place of occurrence--street and highway |          7        0.07       99.91
   place of occurrence--public building |          1        0.01       99.92
place of occurrence--residential inst.. |          1        0.01       99.93
place of occurrence--other specified .. |          2        0.02       99.95
accidental poisoning by psychostimulant |          1        0.01       99.96
acc pois by agent prim act on smooth/.. |          1        0.01       99.97
accident caused by oth spec cutting/p.. |          1        0.01       99.98
suicide and self-inflicted injury by .. |          1        0.01       99.99
child battering and other maltreatmen.. |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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