Frequencies for dr_cf4 variable in vehicle dataset :

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        484       77.32       77.32
          5 |          7        1.12       78.43
         21 |          1        0.16       78.59
         23 |          1        0.16       78.75
         26 |          2        0.32       79.07
         27 |          1        0.16       79.23
         28 |          5        0.80       80.03
         29 |          3        0.48       80.51
         35 |          1        0.16       80.67
         36 |         50        7.99       88.66
         38 |          8        1.28       89.94
         39 |          9        1.44       91.37
         44 |          5        0.80       92.17
         48 |          2        0.32       92.49
         51 |         29        4.63       97.12
         52 |          1        0.16       97.28
         70 |          1        0.16       97.44
         81 |          1        0.16       97.60
         87 |          4        0.64       98.24
         90 |         11        1.76      100.00
------------+-----------------------------------
      Total |        626      100.00

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