Frequencies for hit_run variable in accident dataset :

Hit-and-Run |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        431       88.14       88.14
          1 |          4        0.82       88.96
          2 |         53       10.84       99.80
          3 |          1        0.20      100.00
------------+-----------------------------------
      Total |        489      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016