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

    Special |
Jurisdictio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,917       99.17       99.17
          1 |          6        0.06       99.23
          2 |          2        0.02       99.25
          3 |         70        0.70       99.95
          5 |          3        0.03       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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