Frequencies for first 10,000 rows of speedrel variable in vehicle dataset :

   speeding |
    related |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,352       73.52       73.52
          2 |         24        0.24       73.76
          3 |        681        6.81       80.57
          4 |      1,014       10.14       90.71
          5 |        129        1.29       92.00
          8 |         66        0.66       92.66
          9 |        734        7.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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