Frequencies for first 10,000 rows of intent variable in namcs2012 dataset :

           Is |
injury/poisoi |
         ning |
unintentional |
           or |
 intentional? |      Freq.     Percent        Cum.
--------------+-----------------------------------
        Blank |      9,597       95.97       95.97
Unintentional |        393        3.93       99.90
  Intentional |         10        0.10      100.00
--------------+-----------------------------------
        Total |     10,000      100.00

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