Frequencies for first 10,000 rows of intent15 variable in nhamcsed2015 dataset 

  Is this injury/trauma or |
        overdose/poisoning |
            intentional or |
            unintentional? |      Freq.     Percent        Cum.
---------------------------+-----------------------------------
                     Blank |      7,532       75.32       75.32
    Unknown/intent unclear |         10        0.10       75.42
               Intentional |        178        1.78       77.20
             Unintentional |      2,254       22.54       99.74
Questionable injury status |         26        0.26      100.00
---------------------------+-----------------------------------
                     Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017