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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        195        1.95        1.95
          3 |          7        0.07        2.02
          6 |        103        1.03        3.05
          7 |        503        5.03        8.08
          9 |         93        0.93        9.01
         10 |          7        0.07        9.08
         12 |      1,746       17.46       26.54
         13 |         67        0.67       27.21
         14 |        149        1.49       28.70
         18 |        180        1.80       30.50
         19 |         81        0.81       31.31
         20 |      1,405       14.05       45.36
         21 |        143        1.43       46.79
         22 |        203        2.03       48.82
         23 |        309        3.09       51.91
         24 |        104        1.04       52.95
         30 |        102        1.02       53.97
         32 |         11        0.11       54.08
         34 |         66        0.66       54.74
         35 |        473        4.73       59.47
         37 |        820        8.20       67.67
         38 |         67        0.67       68.34
         39 |         10        0.10       68.44
         41 |        132        1.32       69.76
         42 |         69        0.69       70.45
         43 |          1        0.01       70.46
         45 |         10        0.10       70.56
         47 |          5        0.05       70.61
         48 |         39        0.39       71.00
         49 |        799        7.99       78.99
         50 |          5        0.05       79.04
         51 |         69        0.69       79.73
         52 |        145        1.45       81.18
         53 |        142        1.42       82.60
         54 |         91        0.91       83.51
         55 |         85        0.85       84.36
         58 |         32        0.32       84.68
         59 |         64        0.64       85.32
         60 |          1        0.01       85.33
         62 |         14        0.14       85.47
         63 |         64        0.64       86.11
         64 |         10        0.10       86.21
         69 |          7        0.07       86.28
         71 |          7        0.07       86.35
         72 |        195        1.95       88.30
         73 |         92        0.92       89.22
         74 |          1        0.01       89.23
         76 |         93        0.93       90.16
         82 |        229        2.29       92.45
         83 |          1        0.01       92.46
         84 |        115        1.15       93.61
         85 |         83        0.83       94.44
         86 |         40        0.40       94.84
         87 |        117        1.17       96.01
         89 |         19        0.19       96.20
         90 |          1        0.01       96.21
         92 |          1        0.01       96.22
         93 |         10        0.10       96.32
         98 |        122        1.22       97.54
         99 |        246        2.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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