Frequencies for first 10,000 rows of injdet_trd variable in namcs2013 dataset :

         Is visit related to any of the |
                             following? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  Blank |        358        3.58        3.58
                                Unknown |        165        1.65        5.23
          Intentionality does not apply |        169        1.69        6.92
         Unintentional injury/poisoning |        382        3.82       10.74
           Intentional injury/poisoning |         33        0.33       11.07
      Injury/poisoning - unknown intent |        344        3.44       14.51
Adv effect of med/surg care/medicinal d |         80        0.80       15.31
                              No injury |      8,281       82.81       98.12
             Questionable injury status |        188        1.88      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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