Frequencies for first 10,000 rows of sp_jur variable in accident dataset :

    Special |
Jurisdictio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,901       99.01       99.01
          1 |         12        0.12       99.13
          2 |          9        0.09       99.22
          3 |         59        0.59       99.81
          4 |          3        0.03       99.84
          5 |         14        0.14       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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