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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        123        1.23        1.23
          2 |         97        0.97        2.20
          3 |          1        0.01        2.21
          6 |         87        0.87        3.08
          7 |        510        5.10        8.18
          8 |          4        0.04        8.22
          9 |        258        2.58       10.80
         12 |      1,753       17.53       28.33
         13 |         57        0.57       28.90
         14 |        220        2.20       31.10
         18 |        308        3.08       34.18
         19 |        115        1.15       35.33
         20 |      2,011       20.11       55.44
         21 |        343        3.43       58.87
         22 |        378        3.78       62.65
         23 |        198        1.98       64.63
         29 |          8        0.08       64.71
         30 |        299        2.99       67.70
         31 |          3        0.03       67.73
         32 |         14        0.14       67.87
         33 |          2        0.02       67.89
         34 |         22        0.22       68.11
         35 |        349        3.49       71.60
         36 |         41        0.41       72.01
         37 |        303        3.03       75.04
         39 |          4        0.04       75.08
         40 |          1        0.01       75.09
         41 |         80        0.80       75.89
         42 |         24        0.24       76.13
         43 |         14        0.14       76.27
         44 |          3        0.03       76.30
         45 |         25        0.25       76.55
         46 |          8        0.08       76.63
         47 |          7        0.07       76.70
         48 |         63        0.63       77.33
         49 |        413        4.13       81.46
         50 |         30        0.30       81.76
         51 |         17        0.17       81.93
         59 |          3        0.03       81.96
         60 |          1        0.01       81.97
         61 |          1        0.01       81.98
         62 |         98        0.98       82.96
         63 |        101        1.01       83.97
         64 |          2        0.02       83.99
         65 |          2        0.02       84.01
         66 |         41        0.41       84.42
         67 |        104        1.04       85.46
         69 |         19        0.19       85.65
         70 |          4        0.04       85.69
         81 |          3        0.03       85.72
         82 |         61        0.61       86.33
         84 |        137        1.37       87.70
         85 |         65        0.65       88.35
         86 |         38        0.38       88.73
         87 |         60        0.60       89.33
         88 |         49        0.49       89.82
         95 |         66        0.66       90.48
         98 |         37        0.37       90.85
         99 |         40        0.40       91.25
          . |        875        8.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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