Frequencies for hit_run variable in accident dataset :

Hit-and-Run |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        502       87.92       87.92
          1 |          6        1.05       88.97
          2 |         63       11.03      100.00
------------+-----------------------------------
      Total |        571      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016