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

    SPECIAL |
JURISDICTIO |
          N |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,835       98.35       98.35
          1 |          7        0.07       98.42
          2 |          2        0.02       98.44
          3 |        136        1.36       99.80
          4 |          2        0.02       99.82
          5 |         14        0.14       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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