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

    Roadway |
    surface |
  Condition |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         26        0.26        0.26
          1 |      8,854       88.54       88.80
          2 |        795        7.95       96.75
          3 |         54        0.54       97.29
          4 |         82        0.82       98.11
          5 |          2        0.02       98.13
          6 |          7        0.07       98.20
          7 |          1        0.01       98.21
          8 |          2        0.02       98.23
         10 |          9        0.09       98.32
         11 |         27        0.27       98.59
         98 |         31        0.31       98.90
         99 |        110        1.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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