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

    SPECIAL |
JURISDICTIO |
          N |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,836       98.36       98.36
          1 |          4        0.04       98.40
          2 |          2        0.02       98.42
          3 |        146        1.46       99.88
          4 |          2        0.02       99.90
          8 |          1        0.01       99.91
          9 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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