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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          6        0.06        0.06
          2 |        175        1.75        1.81
          6 |        101        1.01        2.82
          7 |        506        5.06        7.88
          9 |        168        1.68        9.56
         10 |         13        0.13        9.69
         12 |      1,819       18.19       27.88
         13 |         88        0.88       28.76
         14 |        172        1.72       30.48
         18 |        230        2.30       32.78
         19 |        133        1.33       34.11
         20 |      1,622       16.22       50.33
         21 |        256        2.56       52.89
         22 |        251        2.51       55.40
         23 |        268        2.68       58.08
         24 |         46        0.46       58.54
         30 |        108        1.08       59.62
         31 |          1        0.01       59.63
         32 |         10        0.10       59.73
         34 |         56        0.56       60.29
         35 |        524        5.24       65.53
         37 |        605        6.05       71.58
         38 |         79        0.79       72.37
         39 |          5        0.05       72.42
         41 |        195        1.95       74.37
         42 |         50        0.50       74.87
         43 |          1        0.01       74.88
         44 |          1        0.01       74.89
         45 |          5        0.05       74.94
         46 |          4        0.04       74.98
         47 |         10        0.10       75.08
         48 |         68        0.68       75.76
         49 |        776        7.76       83.52
         50 |          4        0.04       83.56
         51 |         55        0.55       84.11
         52 |         97        0.97       85.08
         53 |         90        0.90       85.98
         54 |         69        0.69       86.67
         55 |         71        0.71       87.38
         56 |          5        0.05       87.43
         57 |          2        0.02       87.45
         58 |         16        0.16       87.61
         59 |         21        0.21       87.82
         60 |          5        0.05       87.87
         62 |         10        0.10       87.97
         63 |         16        0.16       88.13
         69 |          2        0.02       88.15
         71 |          2        0.02       88.17
         72 |        118        1.18       89.35
         73 |         72        0.72       90.07
         74 |          1        0.01       90.08
         75 |          1        0.01       90.09
         76 |         51        0.51       90.60
         82 |        207        2.07       92.67
         84 |        161        1.61       94.28
         85 |         85        0.85       95.13
         86 |         58        0.58       95.71
         87 |        105        1.05       96.76
         89 |         47        0.47       97.23
         98 |         97        0.97       98.20
         99 |        180        1.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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