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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         43        0.43        0.43
          2 |         88        0.88        1.31
          3 |          2        0.02        1.33
          6 |         96        0.96        2.29
          7 |        450        4.50        6.79
          8 |          2        0.02        6.81
          9 |        205        2.05        8.86
         12 |      1,706       17.06       25.92
         13 |         44        0.44       26.36
         14 |        207        2.07       28.43
         18 |        281        2.81       31.24
         19 |        151        1.51       32.75
         20 |      1,640       16.40       49.15
         21 |        352        3.52       52.67
         22 |        303        3.03       55.70
         23 |        242        2.42       58.12
         30 |        290        2.90       61.02
         31 |          5        0.05       61.07
         32 |         27        0.27       61.34
         33 |          1        0.01       61.35
         34 |         38        0.38       61.73
         35 |        566        5.66       67.39
         36 |         22        0.22       67.61
         37 |        594        5.94       73.55
         38 |         26        0.26       73.81
         39 |          5        0.05       73.86
         40 |          1        0.01       73.87
         41 |        147        1.47       75.34
         42 |         34        0.34       75.68
         43 |         13        0.13       75.81
         44 |          9        0.09       75.90
         45 |         32        0.32       76.22
         46 |         23        0.23       76.45
         47 |         15        0.15       76.60
         48 |         63        0.63       77.23
         49 |        648        6.48       83.71
         50 |         12        0.12       83.83
         51 |         39        0.39       84.22
         52 |         19        0.19       84.41
         59 |          6        0.06       84.47
         60 |          1        0.01       84.48
         61 |          1        0.01       84.49
         62 |         95        0.95       85.44
         63 |        197        1.97       87.41
         64 |          2        0.02       87.43
         65 |          3        0.03       87.46
         66 |        119        1.19       88.65
         67 |        169        1.69       90.34
         69 |         13        0.13       90.47
         70 |          4        0.04       90.51
         81 |          2        0.02       90.53
         82 |        134        1.34       91.87
         84 |        176        1.76       93.63
         85 |        117        1.17       94.80
         86 |         50        0.50       95.30
         87 |        121        1.21       96.51
         88 |         56        0.56       97.07
         95 |         51        0.51       97.58
         98 |         14        0.14       97.72
         99 |        228        2.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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