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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        158        1.58        1.58
          6 |        101        1.01        2.59
          7 |        489        4.89        7.48
          8 |          4        0.04        7.52
          9 |        325        3.25       10.77
         12 |      1,932       19.32       30.09
         13 |         42        0.42       30.51
         14 |        219        2.19       32.70
         18 |        290        2.90       35.60
         19 |        128        1.28       36.88
         20 |      2,203       22.03       58.91
         21 |        370        3.70       62.61
         22 |        373        3.73       66.34
         23 |        177        1.77       68.11
         30 |        412        4.12       72.23
         32 |         22        0.22       72.45
         34 |         15        0.15       72.60
         35 |        275        2.75       75.35
         36 |         24        0.24       75.59
         37 |        228        2.28       77.87
         41 |         51        0.51       78.38
         43 |         35        0.35       78.73
         45 |         17        0.17       78.90
         48 |         13        0.13       79.03
         49 |        227        2.27       81.30
         50 |         21        0.21       81.51
         51 |         18        0.18       81.69
         60 |          4        0.04       81.73
         62 |         67        0.67       82.40
         63 |         61        0.61       83.01
         65 |          2        0.02       83.03
         66 |         26        0.26       83.29
         67 |         51        0.51       83.80
         69 |          3        0.03       83.83
         70 |          1        0.01       83.84
         80 |          1        0.01       83.85
         81 |          2        0.02       83.87
         82 |         10        0.10       83.97
         83 |          2        0.02       83.99
         84 |        128        1.28       85.27
         85 |         51        0.51       85.78
         86 |         44        0.44       86.22
         87 |         47        0.47       86.69
         88 |         74        0.74       87.43
         95 |         87        0.87       88.30
         98 |         73        0.73       89.03
         99 |        219        2.19       91.22
          . |        878        8.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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