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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.03        0.03
          2 |        179        1.79        1.82
          6 |        101        1.01        2.83
          7 |        577        5.77        8.60
          9 |         97        0.97        9.57
         10 |          7        0.07        9.64
         12 |      1,739       17.39       27.03
         13 |         82        0.82       27.85
         14 |        150        1.50       29.35
         18 |        167        1.67       31.02
         19 |         90        0.90       31.92
         20 |      1,472       14.72       46.64
         21 |        172        1.72       48.36
         22 |        197        1.97       50.33
         23 |        292        2.92       53.25
         24 |         96        0.96       54.21
         30 |        101        1.01       55.22
         32 |          6        0.06       55.28
         34 |         89        0.89       56.17
         35 |        445        4.45       60.62
         37 |        756        7.56       68.18
         38 |         62        0.62       68.80
         39 |         16        0.16       68.96
         41 |        160        1.60       70.56
         42 |         62        0.62       71.18
         45 |          9        0.09       71.27
         47 |          1        0.01       71.28
         48 |         45        0.45       71.73
         49 |        809        8.09       79.82
         50 |          2        0.02       79.84
         51 |         73        0.73       80.57
         52 |        114        1.14       81.71
         53 |        139        1.39       83.10
         54 |        118        1.18       84.28
         55 |         95        0.95       85.23
         56 |          1        0.01       85.24
         58 |         22        0.22       85.46
         59 |         57        0.57       86.03
         60 |          3        0.03       86.06
         61 |          1        0.01       86.07
         62 |         13        0.13       86.20
         63 |         64        0.64       86.84
         64 |         17        0.17       87.01
         69 |          3        0.03       87.04
         71 |          2        0.02       87.06
         72 |        186        1.86       88.92
         73 |         68        0.68       89.60
         74 |          1        0.01       89.61
         76 |        105        1.05       90.66
         82 |        208        2.08       92.74
         84 |        112        1.12       93.86
         85 |         76        0.76       94.62
         86 |         41        0.41       95.03
         87 |        106        1.06       96.09
         88 |          1        0.01       96.10
         89 |         23        0.23       96.33
         90 |          7        0.07       96.40
         92 |          2        0.02       96.42
         93 |          4        0.04       96.46
         94 |          1        0.01       96.47
         98 |        127        1.27       97.74
         99 |        226        2.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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