Frequencies for first 10,000 rows of intentr variable in nhamcsopd2001 dataset :

intentional |
     ity of |
     injury |
   based on |
     e-code |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,944       89.44       89.44
          1 |        504        5.04       94.48
          2 |          1        0.01       94.49
          3 |         32        0.32       94.81
          4 |          1        0.01       94.82
          5 |          1        0.01       94.83
          6 |         61        0.61       95.44
          7 |        456        4.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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