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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.04        0.04
          2 |        172        1.72        1.76
          3 |          1        0.01        1.77
          6 |         80        0.80        2.57
          7 |        548        5.48        8.05
          8 |          1        0.01        8.06
          9 |        119        1.19        9.25
         10 |         13        0.13        9.38
         12 |      1,790       17.90       27.28
         13 |         72        0.72       28.00
         14 |        172        1.72       29.72
         18 |        166        1.66       31.38
         19 |         94        0.94       32.32
         20 |      1,512       15.12       47.44
         21 |        183        1.83       49.27
         22 |        241        2.41       51.68
         23 |        276        2.76       54.44
         24 |         84        0.84       55.28
         30 |         93        0.93       56.21
         32 |          3        0.03       56.24
         34 |         69        0.69       56.93
         35 |        491        4.91       61.84
         36 |          1        0.01       61.85
         37 |        767        7.67       69.52
         38 |         84        0.84       70.36
         39 |         10        0.10       70.46
         41 |        158        1.58       72.04
         42 |         53        0.53       72.57
         43 |          1        0.01       72.58
         45 |          8        0.08       72.66
         47 |          5        0.05       72.71
         48 |         67        0.67       73.38
         49 |        795        7.95       81.33
         50 |          5        0.05       81.38
         51 |         68        0.68       82.06
         52 |        140        1.40       83.46
         53 |        106        1.06       84.52
         54 |         98        0.98       85.50
         55 |         66        0.66       86.16
         56 |          1        0.01       86.17
         58 |         33        0.33       86.50
         59 |         40        0.40       86.90
         60 |          5        0.05       86.95
         61 |          1        0.01       86.96
         62 |         10        0.10       87.06
         63 |         36        0.36       87.42
         64 |          6        0.06       87.48
         69 |          2        0.02       87.50
         71 |          4        0.04       87.54
         72 |        145        1.45       88.99
         73 |         61        0.61       89.60
         76 |         82        0.82       90.42
         82 |        221        2.21       92.63
         84 |        143        1.43       94.06
         85 |         85        0.85       94.91
         86 |         47        0.47       95.38
         87 |        101        1.01       96.39
         89 |         27        0.27       96.66
         90 |          2        0.02       96.68
         92 |          7        0.07       96.75
         93 |          4        0.04       96.79
         94 |          4        0.04       96.83
         98 |        104        1.04       97.87
         99 |        213        2.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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