Frequencies for first 10,000 rows of intent variable in namcs2014 dataset :

  Is this injury/poisoning |
          unintentional or |
              intentional? |      Freq.     Percent        Cum.
---------------------------+-----------------------------------
                     Blank |      9,353       93.53       93.53
                   Unknown |          8        0.08       93.61
               Intentional |         16        0.16       93.77
             Unintentional |        597        5.97       99.74
Questionable injury status |         26        0.26      100.00
---------------------------+-----------------------------------
                     Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017