Frequencies for first 10,000 rows of intentr variable in nhamcsed2008 dataset :

   intentionality of injury |
            based on e-code |      Freq.     Percent        Cum.
----------------------------+-----------------------------------
                      blank |        575        5.75        5.75
             not applicable |      6,491       64.91       70.66
              unintentional |      2,534       25.34       96.00
             self-inflicted |         56        0.56       96.56
                    assault |        140        1.40       97.96
         legal intervention |          4        0.04       98.00
             unknown intent |         34        0.34       98.34
     adverse medical effect |        166        1.66      100.00
----------------------------+-----------------------------------
                      Total |     10,000      100.00

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