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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         50        0.50        0.50
          2 |        104        1.04        1.54
          3 |          2        0.02        1.56
          6 |        104        1.04        2.60
          7 |        443        4.43        7.03
          9 |        143        1.43        8.46
         10 |         18        0.18        8.64
         12 |      1,641       16.41       25.05
         13 |         56        0.56       25.61
         14 |        194        1.94       27.55
         18 |        329        3.29       30.84
         19 |        106        1.06       31.90
         20 |      1,847       18.47       50.37
         21 |        363        3.63       54.00
         22 |        348        3.48       57.48
         23 |        278        2.78       60.26
         29 |          2        0.02       60.28
         30 |        156        1.56       61.84
         31 |         11        0.11       61.95
         32 |         20        0.20       62.15
         34 |         28        0.28       62.43
         35 |        554        5.54       67.97
         36 |          5        0.05       68.02
         37 |        402        4.02       72.04
         38 |         41        0.41       72.45
         39 |          1        0.01       72.46
         41 |        136        1.36       73.82
         42 |         40        0.40       74.22
         43 |          6        0.06       74.28
         44 |          8        0.08       74.36
         45 |         11        0.11       74.47
         46 |         13        0.13       74.60
         47 |          5        0.05       74.65
         48 |         71        0.71       75.36
         49 |        676        6.76       82.12
         50 |          3        0.03       82.15
         51 |         27        0.27       82.42
         52 |         37        0.37       82.79
         53 |         43        0.43       83.22
         59 |         84        0.84       84.06
         62 |         43        0.43       84.49
         63 |         61        0.61       85.10
         65 |          2        0.02       85.12
         67 |         74        0.74       85.86
         69 |          3        0.03       85.89
         70 |          1        0.01       85.90
         82 |         94        0.94       86.84
         84 |        105        1.05       87.89
         85 |         72        0.72       88.61
         86 |         40        0.40       89.01
         87 |         58        0.58       89.59
         88 |         19        0.19       89.78
         95 |        148        1.48       91.26
         98 |          8        0.08       91.34
         99 |        120        1.20       92.54
          . |        746        7.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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