Frequencies for first 10,000 rows of intentr variable in nhamcsopd2002 dataset :

intentional |
     ity of |
     injury |
   based on |
     e-code |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,970       89.70       89.70
          1 |        470        4.70       94.40
          2 |          6        0.06       94.46
          3 |         26        0.26       94.72
          4 |          3        0.03       94.75
          6 |         61        0.61       95.36
          7 |        464        4.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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