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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |        211        2.11        2.12
          3 |         10        0.10        2.22
          6 |        186        1.86        4.08
          7 |        519        5.19        9.27
          9 |         44        0.44        9.71
         10 |          1        0.01        9.72
         12 |      1,436       14.36       24.08
         13 |         68        0.68       24.76
         14 |        121        1.21       25.97
         18 |        150        1.50       27.47
         19 |         95        0.95       28.42
         20 |      1,260       12.60       41.02
         21 |         76        0.76       41.78
         22 |        182        1.82       43.60
         23 |        279        2.79       46.39
         24 |        105        1.05       47.44
         30 |         81        0.81       48.25
         32 |         22        0.22       48.47
         34 |        116        1.16       49.63
         35 |        452        4.52       54.15
         37 |        782        7.82       61.97
         38 |         47        0.47       62.44
         39 |         12        0.12       62.56
         41 |        112        1.12       63.68
         42 |         77        0.77       64.45
         45 |          4        0.04       64.49
         47 |          8        0.08       64.57
         48 |         69        0.69       65.26
         49 |        965        9.65       74.91
         50 |         13        0.13       75.04
         51 |         90        0.90       75.94
         52 |        120        1.20       77.14
         53 |        228        2.28       79.42
         54 |         82        0.82       80.24
         55 |        136        1.36       81.60
         58 |         58        0.58       82.18
         59 |         91        0.91       83.09
         62 |         14        0.14       83.23
         63 |        104        1.04       84.27
         64 |          6        0.06       84.33
         65 |          2        0.02       84.35
         69 |         10        0.10       84.45
         71 |         13        0.13       84.58
         72 |        362        3.62       88.20
         73 |         96        0.96       89.16
         76 |        155        1.55       90.71
         77 |          3        0.03       90.74
         82 |        182        1.82       92.56
         84 |         99        0.99       93.55
         85 |         78        0.78       94.33
         86 |         32        0.32       94.65
         87 |         81        0.81       95.46
         88 |          1        0.01       95.47
         89 |          9        0.09       95.56
         90 |          2        0.02       95.58
         92 |         10        0.10       95.68
         93 |          3        0.03       95.71
         94 |          5        0.05       95.76
         98 |        145        1.45       97.21
         99 |        279        2.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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