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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         93        0.93        0.93
          2 |        106        1.06        1.99
          3 |         19        0.19        2.18
          6 |        151        1.51        3.69
          7 |        491        4.91        8.60
          8 |         10        0.10        8.70
          9 |        221        2.21       10.91
         12 |      1,680       16.80       27.71
         13 |         44        0.44       28.15
         14 |        236        2.36       30.51
         18 |        279        2.79       33.30
         19 |        154        1.54       34.84
         20 |      1,956       19.56       54.40
         21 |        281        2.81       57.21
         22 |        360        3.60       60.81
         23 |        217        2.17       62.98
         29 |          3        0.03       63.01
         30 |        298        2.98       65.99
         31 |          4        0.04       66.03
         32 |         14        0.14       66.17
         33 |          4        0.04       66.21
         34 |         28        0.28       66.49
         35 |        390        3.90       70.39
         36 |         33        0.33       70.72
         37 |        351        3.51       74.23
         38 |          3        0.03       74.26
         39 |          1        0.01       74.27
         41 |         66        0.66       74.93
         42 |         15        0.15       75.08
         43 |         25        0.25       75.33
         44 |         13        0.13       75.46
         45 |         34        0.34       75.80
         46 |          2        0.02       75.82
         47 |          5        0.05       75.87
         48 |         44        0.44       76.31
         49 |        432        4.32       80.63
         50 |         23        0.23       80.86
         51 |         20        0.20       81.06
         59 |          8        0.08       81.14
         60 |          2        0.02       81.16
         62 |         66        0.66       81.82
         63 |         94        0.94       82.76
         65 |          2        0.02       82.78
         66 |         49        0.49       83.27
         67 |        114        1.14       84.41
         69 |         18        0.18       84.59
         70 |          9        0.09       84.68
         81 |          2        0.02       84.70
         82 |         65        0.65       85.35
         84 |        184        1.84       87.19
         85 |         75        0.75       87.94
         86 |         43        0.43       88.37
         87 |         60        0.60       88.97
         88 |         24        0.24       89.21
         95 |         96        0.96       90.17
         98 |          8        0.08       90.25
         99 |        123        1.23       91.48
          . |        852        8.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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