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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         64        0.64        0.64
          2 |         86        0.86        1.50
          6 |         68        0.68        2.18
          7 |        421        4.21        6.39
          8 |          3        0.03        6.42
          9 |        215        2.15        8.57
         12 |      1,805       18.05       26.62
         13 |         41        0.41       27.03
         14 |        187        1.87       28.90
         18 |        293        2.93       31.83
         19 |        107        1.07       32.90
         20 |      1,880       18.80       51.70
         21 |        361        3.61       55.31
         22 |        301        3.01       58.32
         23 |        285        2.85       61.17
         29 |          4        0.04       61.21
         30 |        230        2.30       63.51
         31 |          2        0.02       63.53
         32 |         32        0.32       63.85
         33 |          2        0.02       63.87
         34 |         20        0.20       64.07
         35 |        441        4.41       68.48
         36 |         12        0.12       68.60
         37 |        398        3.98       72.58
         38 |         20        0.20       72.78
         39 |          5        0.05       72.83
         41 |         83        0.83       73.66
         42 |         28        0.28       73.94
         43 |         11        0.11       74.05
         44 |          4        0.04       74.09
         45 |          9        0.09       74.18
         46 |         17        0.17       74.35
         47 |          1        0.01       74.36
         48 |         54        0.54       74.90
         49 |        552        5.52       80.42
         50 |         14        0.14       80.56
         51 |         34        0.34       80.90
         52 |         15        0.15       81.05
         59 |          1        0.01       81.06
         62 |         56        0.56       81.62
         63 |         94        0.94       82.56
         64 |          2        0.02       82.58
         66 |         60        0.60       83.18
         67 |        111        1.11       84.29
         69 |         21        0.21       84.50
         70 |          2        0.02       84.52
         82 |         72        0.72       85.24
         84 |        171        1.71       86.95
         85 |         69        0.69       87.64
         86 |         40        0.40       88.04
         87 |         86        0.86       88.90
         88 |         50        0.50       89.40
         95 |        124        1.24       90.64
         98 |         19        0.19       90.83
         99 |        119        1.19       92.02
          . |        798        7.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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