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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |        186        1.86        1.87
          3 |          6        0.06        1.93
          6 |        145        1.45        3.38
          7 |        509        5.09        8.47
          9 |         39        0.39        8.86
         10 |          2        0.02        8.88
         12 |      1,531       15.31       24.19
         13 |         52        0.52       24.71
         14 |        129        1.29       26.00
         18 |        139        1.39       27.39
         19 |         91        0.91       28.30
         20 |      1,326       13.26       41.56
         21 |        108        1.08       42.64
         22 |        202        2.02       44.66
         23 |        323        3.23       47.89
         24 |        111        1.11       49.00
         30 |         98        0.98       49.98
         32 |         16        0.16       50.14
         33 |          1        0.01       50.15
         34 |        101        1.01       51.16
         35 |        449        4.49       55.65
         37 |        832        8.32       63.97
         38 |         67        0.67       64.64
         39 |         13        0.13       64.77
         41 |        130        1.30       66.07
         42 |         84        0.84       66.91
         45 |         13        0.13       67.04
         47 |          4        0.04       67.08
         48 |         44        0.44       67.52
         49 |        858        8.58       76.10
         50 |         10        0.10       76.20
         51 |         90        0.90       77.10
         52 |        138        1.38       78.48
         53 |        214        2.14       80.62
         54 |        105        1.05       81.67
         55 |        103        1.03       82.70
         58 |         45        0.45       83.15
         59 |         80        0.80       83.95
         61 |          1        0.01       83.96
         62 |         13        0.13       84.09
         63 |         76        0.76       84.85
         64 |          4        0.04       84.89
         69 |          5        0.05       84.94
         71 |          7        0.07       85.01
         72 |        249        2.49       87.50
         73 |        104        1.04       88.54
         76 |        163        1.63       90.17
         80 |          1        0.01       90.18
         82 |        263        2.63       92.81
         83 |          1        0.01       92.82
         84 |        103        1.03       93.85
         85 |        100        1.00       94.85
         86 |         41        0.41       95.26
         87 |        105        1.05       96.31
         89 |         11        0.11       96.42
         90 |          4        0.04       96.46
         92 |          1        0.01       96.47
         93 |         10        0.10       96.57
         94 |          1        0.01       96.58
         98 |        140        1.40       97.98
         99 |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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