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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        117        1.17        1.17
          2 |         79        0.79        1.96
          6 |         70        0.70        2.66
          7 |        435        4.35        7.01
          8 |          9        0.09        7.10
          9 |        237        2.37        9.47
         12 |      1,841       18.41       27.88
         13 |         69        0.69       28.57
         14 |        259        2.59       31.16
         18 |        332        3.32       34.48
         19 |        123        1.23       35.71
         20 |      1,881       18.81       54.52
         21 |        319        3.19       57.71
         22 |        389        3.89       61.60
         23 |        217        2.17       63.77
         30 |        372        3.72       67.49
         31 |          1        0.01       67.50
         32 |         17        0.17       67.67
         33 |          5        0.05       67.72
         34 |         20        0.20       67.92
         35 |        332        3.32       71.24
         36 |         38        0.38       71.62
         37 |        305        3.05       74.67
         39 |          1        0.01       74.68
         41 |         57        0.57       75.25
         42 |         32        0.32       75.57
         43 |         25        0.25       75.82
         44 |          2        0.02       75.84
         45 |         33        0.33       76.17
         46 |          2        0.02       76.19
         47 |          6        0.06       76.25
         48 |         47        0.47       76.72
         49 |        361        3.61       80.33
         50 |         26        0.26       80.59
         51 |         33        0.33       80.92
         60 |          3        0.03       80.95
         62 |         95        0.95       81.90
         63 |        116        1.16       83.06
         65 |          3        0.03       83.09
         66 |         45        0.45       83.54
         67 |        101        1.01       84.55
         69 |         23        0.23       84.78
         70 |          8        0.08       84.86
         82 |         29        0.29       85.15
         83 |          1        0.01       85.16
         84 |        138        1.38       86.54
         85 |         47        0.47       87.01
         86 |         26        0.26       87.27
         87 |         63        0.63       87.90
         88 |         80        0.80       88.70
         95 |        182        1.82       90.52
         98 |         56        0.56       91.08
         99 |         27        0.27       91.35
          . |        865        8.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016