Frequencies for first 10,000 rows of intentr variable in nhamcsed2010 dataset :

   Intentionality of Injury |
          (based on CAUSE1) |      Freq.     Percent        Cum.
----------------------------+-----------------------------------
                      blank |        536        5.36        5.36
             not applicable |      6,502       65.02       70.38
              unintentional |      2,505       25.05       95.43
             self-inflicted |         67        0.67       96.10
                    assault |        178        1.78       97.88
         legal intervention |          6        0.06       97.94
             unknown intent |         38        0.38       98.32
     adverse medical effect |        168        1.68      100.00
----------------------------+-----------------------------------
                      Total |     10,000      100.00

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