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

   Is visit |
 related to |
injury/pois |
oning/adver |
 se effect? |
      Broad |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         68        0.68        0.68
    Unknown |        314        3.14        3.82
         No |      8,569       85.69       89.51
        Yes |      1,049       10.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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