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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |        227        2.27        2.28
          3 |          7        0.07        2.35
          6 |        154        1.54        3.89
          7 |        530        5.30        9.19
          9 |         41        0.41        9.60
         10 |          2        0.02        9.62
         12 |      1,526       15.26       24.88
         13 |         89        0.89       25.77
         14 |        109        1.09       26.86
         18 |        153        1.53       28.39
         19 |        103        1.03       29.42
         20 |      1,331       13.31       42.73
         21 |         88        0.88       43.61
         22 |        146        1.46       45.07
         23 |        250        2.50       47.57
         24 |         87        0.87       48.44
         29 |          1        0.01       48.45
         30 |         82        0.82       49.27
         32 |         21        0.21       49.48
         34 |        116        1.16       50.64
         35 |        484        4.84       55.48
         37 |        794        7.94       63.42
         38 |         58        0.58       64.00
         39 |          8        0.08       64.08
         41 |        128        1.28       65.36
         42 |         77        0.77       66.13
         45 |          9        0.09       66.22
         47 |          5        0.05       66.27
         48 |         56        0.56       66.83
         49 |        930        9.30       76.13
         50 |         15        0.15       76.28
         51 |         88        0.88       77.16
         52 |        126        1.26       78.42
         53 |        202        2.02       80.44
         54 |        100        1.00       81.44
         55 |        113        1.13       82.57
         58 |         37        0.37       82.94
         59 |        111        1.11       84.05
         62 |         17        0.17       84.22
         63 |         88        0.88       85.10
         64 |          2        0.02       85.12
         65 |          1        0.01       85.13
         69 |          9        0.09       85.22
         71 |         15        0.15       85.37
         72 |        319        3.19       88.56
         73 |        109        1.09       89.65
         74 |          1        0.01       89.66
         76 |        166        1.66       91.32
         77 |          4        0.04       91.36
         82 |        196        1.96       93.32
         84 |         84        0.84       94.16
         85 |         70        0.70       94.86
         86 |         39        0.39       95.25
         87 |         75        0.75       96.00
         89 |          9        0.09       96.09
         90 |          3        0.03       96.12
         92 |          7        0.07       96.19
         93 |          7        0.07       96.26
         94 |          3        0.03       96.29
         98 |        146        1.46       97.75
         99 |        225        2.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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