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

    vehicle |
       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.03        0.03
          2 |        200        2.00        2.03
          3 |         18        0.18        2.21
          6 |        182        1.82        4.03
          7 |        567        5.67        9.70
          9 |         16        0.16        9.86
         10 |          1        0.01        9.87
         12 |      1,250       12.50       22.37
         13 |         65        0.65       23.02
         14 |         80        0.80       23.82
         18 |         90        0.90       24.72
         19 |         68        0.68       25.40
         20 |      1,306       13.06       38.46
         21 |         42        0.42       38.88
         22 |         76        0.76       39.64
         23 |        296        2.96       42.60
         24 |         63        0.63       43.23
         29 |          1        0.01       43.24
         30 |         97        0.97       44.21
         32 |         28        0.28       44.49
         34 |        126        1.26       45.75
         35 |        492        4.92       50.67
         36 |          3        0.03       50.70
         37 |        748        7.48       58.18
         38 |         33        0.33       58.51
         39 |         12        0.12       58.63
         41 |        105        1.05       59.68
         42 |         73        0.73       60.41
         45 |         13        0.13       60.54
         47 |          4        0.04       60.58
         48 |         69        0.69       61.27
         49 |        926        9.26       70.53
         50 |          9        0.09       70.62
         51 |         74        0.74       71.36
         52 |         67        0.67       72.03
         53 |         99        0.99       73.02
         54 |         85        0.85       73.87
         55 |        159        1.59       75.46
         58 |         52        0.52       75.98
         59 |         91        0.91       76.89
         62 |          9        0.09       76.98
         63 |        133        1.33       78.31
         64 |          1        0.01       78.32
         67 |          8        0.08       78.40
         69 |         10        0.10       78.50
         71 |          8        0.08       78.58
         72 |        206        2.06       80.64
         73 |         69        0.69       81.33
         76 |        109        1.09       82.42
         77 |          7        0.07       82.49
         82 |        165        1.65       84.14
         84 |        106        1.06       85.20
         85 |         60        0.60       85.80
         86 |         25        0.25       86.05
         87 |         69        0.69       86.74
         89 |          2        0.02       86.76
         90 |         14        0.14       86.90
         92 |         14        0.14       87.04
         93 |          1        0.01       87.05
         94 |          3        0.03       87.08
         97 |          1        0.01       87.09
         98 |        120        1.20       88.29
         99 |        218        2.18       90.47
          . |        953        9.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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