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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,907       99.07       99.07
          1 |          6        0.06       99.13
          2 |          1        0.01       99.14
          3 |          2        0.02       99.16
          4 |          3        0.03       99.19
          5 |         16        0.16       99.35
          6 |          4        0.04       99.39
          7 |          9        0.09       99.48
          9 |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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