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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.07        0.07
          2 |        177        1.77        1.84
          3 |          5        0.05        1.89
          6 |         80        0.80        2.69
          7 |        460        4.60        7.29
          9 |        152        1.52        8.81
         10 |          9        0.09        8.90
         12 |      1,680       16.80       25.70
         13 |         62        0.62       26.32
         14 |        178        1.78       28.10
         18 |        297        2.97       31.07
         19 |        160        1.60       32.67
         20 |      1,720       17.20       49.87
         21 |        343        3.43       53.30
         22 |        282        2.82       56.12
         23 |        275        2.75       58.87
         24 |         17        0.17       59.04
         25 |          1        0.01       59.05
         30 |        128        1.28       60.33
         31 |          1        0.01       60.34
         32 |          7        0.07       60.41
         34 |         54        0.54       60.95
         35 |        552        5.52       66.47
         36 |          1        0.01       66.48
         37 |        554        5.54       72.02
         38 |         59        0.59       72.61
         39 |          8        0.08       72.69
         41 |        206        2.06       74.75
         42 |         42        0.42       75.17
         43 |          4        0.04       75.21
         44 |          1        0.01       75.22
         45 |         10        0.10       75.32
         46 |          6        0.06       75.38
         47 |          8        0.08       75.46
         48 |         81        0.81       76.27
         49 |        824        8.24       84.51
         50 |          1        0.01       84.52
         51 |         39        0.39       84.91
         52 |         81        0.81       85.72
         53 |         82        0.82       86.54
         54 |         49        0.49       87.03
         55 |         76        0.76       87.79
         56 |          1        0.01       87.80
         57 |          9        0.09       87.89
         58 |          6        0.06       87.95
         59 |         12        0.12       88.07
         60 |          5        0.05       88.12
         61 |          2        0.02       88.14
         69 |          6        0.06       88.20
         71 |          1        0.01       88.21
         72 |         78        0.78       88.99
         73 |         74        0.74       89.73
         74 |          1        0.01       89.74
         76 |         88        0.88       90.62
         81 |          2        0.02       90.64
         82 |        144        1.44       92.08
         84 |        149        1.49       93.57
         85 |         93        0.93       94.50
         86 |         60        0.60       95.10
         87 |        113        1.13       96.23
         88 |          1        0.01       96.24
         89 |         41        0.41       96.65
         98 |        112        1.12       97.77
         99 |        223        2.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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