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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         46        0.46        0.46
          2 |         96        0.96        1.42
          3 |          1        0.01        1.43
          6 |        109        1.09        2.52
          7 |        468        4.68        7.20
          8 |          1        0.01        7.21
          9 |        177        1.77        8.98
         12 |      1,841       18.41       27.39
         13 |         42        0.42       27.81
         14 |        228        2.28       30.09
         18 |        304        3.04       33.13
         19 |        129        1.29       34.42
         20 |      1,773       17.73       52.15
         21 |        424        4.24       56.39
         22 |        352        3.52       59.91
         23 |        258        2.58       62.49
         30 |        223        2.23       64.72
         32 |         11        0.11       64.83
         34 |         15        0.15       64.98
         35 |        476        4.76       69.74
         36 |         20        0.20       69.94
         37 |        352        3.52       73.46
         38 |         29        0.29       73.75
         39 |          3        0.03       73.78
         41 |        112        1.12       74.90
         42 |         23        0.23       75.13
         43 |          7        0.07       75.20
         44 |          6        0.06       75.26
         45 |         15        0.15       75.41
         46 |         23        0.23       75.64
         47 |         11        0.11       75.75
         48 |         66        0.66       76.41
         49 |        521        5.21       81.62
         50 |          8        0.08       81.70
         51 |         26        0.26       81.96
         52 |         15        0.15       82.11
         59 |          3        0.03       82.14
         60 |          1        0.01       82.15
         62 |         53        0.53       82.68
         63 |        103        1.03       83.71
         65 |          1        0.01       83.72
         66 |         58        0.58       84.30
         67 |         87        0.87       85.17
         69 |          7        0.07       85.24
         81 |          4        0.04       85.28
         82 |         71        0.71       85.99
         84 |        164        1.64       87.63
         85 |         68        0.68       88.31
         86 |         36        0.36       88.67
         87 |         61        0.61       89.28
         88 |         51        0.51       89.79
         95 |         60        0.60       90.39
         98 |         13        0.13       90.52
         99 |        127        1.27       91.79
          . |        821        8.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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