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

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,888       98.88       98.88
          1 |         10        0.10       98.98
          2 |          2        0.02       99.00
          3 |          1        0.01       99.01
          4 |          5        0.05       99.06
          5 |         17        0.17       99.23
          6 |          3        0.03       99.26
          7 |          1        0.01       99.27
          9 |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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