Frequencies for ehrreduction variable in impact2016 dataset :

        EHR |
  Reduction |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,269       94.84       94.84
          1 |        178        5.16      100.00
------------+-----------------------------------
      Total |      3,447      100.00

by Jean Roth , jroth@nber.org , 30 Aug 2017