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

    Special |
Jurisdictio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,282       92.82       92.82
          1 |         20        0.20       93.02
          2 |          6        0.06       93.08
          3 |         76        0.76       93.84
          9 |        616        6.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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