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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.02        0.02
          2 |        200        2.00        2.02
          3 |          1        0.01        2.03
          6 |        100        1.00        3.03
          7 |        621        6.21        9.24
          9 |        107        1.07       10.31
         10 |         12        0.12       10.43
         12 |      1,766       17.66       28.09
         13 |         54        0.54       28.63
         14 |        138        1.38       30.01
         18 |        203        2.03       32.04
         19 |        101        1.01       33.05
         20 |      1,466       14.66       47.71
         21 |        172        1.72       49.43
         22 |        249        2.49       51.92
         23 |        288        2.88       54.80
         24 |         78        0.78       55.58
         25 |          1        0.01       55.59
         30 |        104        1.04       56.63
         31 |          2        0.02       56.65
         32 |          4        0.04       56.69
         34 |         72        0.72       57.41
         35 |        425        4.25       61.66
         36 |          1        0.01       61.67
         37 |        770        7.70       69.37
         38 |         68        0.68       70.05
         39 |         13        0.13       70.18
         41 |        180        1.80       71.98
         42 |         70        0.70       72.68
         43 |          1        0.01       72.69
         45 |         12        0.12       72.81
         47 |          9        0.09       72.90
         48 |         44        0.44       73.34
         49 |        839        8.39       81.73
         50 |          6        0.06       81.79
         51 |         59        0.59       82.38
         52 |        136        1.36       83.74
         53 |         98        0.98       84.72
         54 |        110        1.10       85.82
         55 |         81        0.81       86.63
         58 |         22        0.22       86.85
         59 |         41        0.41       87.26
         60 |          1        0.01       87.27
         62 |          7        0.07       87.34
         63 |         37        0.37       87.71
         64 |         13        0.13       87.84
         69 |          2        0.02       87.86
         71 |          5        0.05       87.91
         72 |        168        1.68       89.59
         73 |         71        0.71       90.30
         74 |          1        0.01       90.31
         76 |         70        0.70       91.01
         82 |        207        2.07       93.08
         83 |          1        0.01       93.09
         84 |        109        1.09       94.18
         85 |         83        0.83       95.01
         86 |         44        0.44       95.45
         87 |        113        1.13       96.58
         89 |         20        0.20       96.78
         90 |          5        0.05       96.83
         92 |          4        0.04       96.87
         93 |          7        0.07       96.94
         98 |        111        1.11       98.05
         99 |        195        1.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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