Frequencies for first 10,000 rows of injpoisadr1 variable in namcs2015 dataset 

   Is visit |
 related to |
injury/pois |
oning/adver |
 se effect? |
       2012 |
    format, |
    recoded |
     versio |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        839        8.39        8.39
          2 |          9        0.09        8.48
          3 |         78        0.78        9.26
          4 |      9,074       90.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017