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

    SPECIAL |
JURISDICTIO |
          N |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,852       98.52       98.52
          1 |          7        0.07       98.59
          2 |         16        0.16       98.75
          3 |        100        1.00       99.75
          4 |          1        0.01       99.76
          5 |         21        0.21       99.97
          8 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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