Frequencies for dr_cf1 variable in vehicle dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        228       29.84       29.84
          1 |          3        0.39       30.24
          4 |          1        0.13       30.37
          6 |          2        0.26       30.63
         20 |          2        0.26       30.89
         23 |          1        0.13       31.02
         26 |         16        2.09       33.12
         27 |         15        1.96       35.08
         28 |         18        2.36       37.43
         31 |          4        0.52       37.96
         35 |         12        1.57       39.53
         36 |        131       17.15       56.68
         38 |         14        1.83       58.51
         44 |        270       35.34       93.85
         45 |          1        0.13       93.98
         48 |         25        3.27       97.25
         51 |          5        0.65       97.91
         62 |          1        0.13       98.04
         70 |          3        0.39       98.43
         84 |          3        0.39       98.82
         86 |          9        1.18      100.00
------------+-----------------------------------
      Total |        764      100.00

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