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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,923       99.23       99.23
          1 |         11        0.11       99.34
          2 |          1        0.01       99.35
          3 |          4        0.04       99.39
          4 |          1        0.01       99.40
          5 |         21        0.21       99.61
          6 |          8        0.08       99.69
          7 |          6        0.06       99.75
          9 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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