Frequencies for make variable in vehicle dataset :

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         10        2.12        2.12
          6 |          5        1.06        3.18
          7 |          9        1.91        5.08
          9 |          2        0.42        5.51
         12 |         45        9.53       15.04
         13 |          1        0.21       15.25
         14 |          5        1.06       16.31
         18 |          2        0.42       16.74
         20 |         13        2.75       19.49
         22 |          3        0.64       20.13
         23 |          5        1.06       21.19
         30 |          4        0.85       22.03
         32 |          1        0.21       22.25
         33 |          1        0.21       22.46
         34 |          3        0.64       23.09
         35 |         23        4.87       27.97
         37 |         22        4.66       32.63
         38 |          7        1.48       34.11
         41 |         21        4.45       38.56
         49 |         83       17.58       56.14
         51 |          1        0.21       56.36
         52 |         47        9.96       66.31
         53 |         45        9.53       75.85
         55 |         20        4.24       80.08
         59 |          2        0.42       80.51
         63 |          4        0.85       81.36
         64 |          1        0.21       81.57
         72 |          1        0.21       81.78
         73 |          5        1.06       82.84
         76 |          6        1.27       84.11
         82 |          2        0.42       84.53
         84 |          5        1.06       85.59
         85 |          5        1.06       86.65
         86 |          3        0.64       87.29
         87 |          1        0.21       87.50
         98 |         29        6.14       93.64
         99 |         30        6.36      100.00
------------+-----------------------------------
      Total |        472      100.00

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