Frequencies for sp_jur variable in accident dataset :

    Special |
Jurisdictio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        488       99.80       99.80
          8 |          1        0.20      100.00
------------+-----------------------------------
      Total |        489      100.00

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