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

    vehicle |
       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        185        1.85        1.85
          3 |          4        0.04        1.89
          6 |        199        1.99        3.88
          7 |        506        5.06        8.94
          9 |         25        0.25        9.19
         12 |      1,234       12.34       21.53
         13 |         69        0.69       22.22
         14 |         86        0.86       23.08
         18 |        111        1.11       24.19
         19 |         81        0.81       25.00
         20 |      1,244       12.44       37.44
         21 |         44        0.44       37.88
         22 |         99        0.99       38.87
         23 |        259        2.59       41.46
         24 |         69        0.69       42.15
         29 |          1        0.01       42.16
         30 |         84        0.84       43.00
         32 |         26        0.26       43.26
         34 |        125        1.25       44.51
         35 |        504        5.04       49.55
         36 |          3        0.03       49.58
         37 |        723        7.23       56.81
         38 |         26        0.26       57.07
         39 |          6        0.06       57.13
         41 |        116        1.16       58.29
         42 |         81        0.81       59.10
         45 |          3        0.03       59.13
         47 |          3        0.03       59.16
         48 |         41        0.41       59.57
         49 |        881        8.81       68.38
         50 |         10        0.10       68.48
         51 |         70        0.70       69.18
         52 |         74        0.74       69.92
         53 |        114        1.14       71.06
         54 |         92        0.92       71.98
         55 |        138        1.38       73.36
         58 |         54        0.54       73.90
         59 |        111        1.11       75.01
         62 |         14        0.14       75.15
         63 |        128        1.28       76.43
         64 |          1        0.01       76.44
         65 |          1        0.01       76.45
         67 |         16        0.16       76.61
         69 |         16        0.16       76.77
         70 |          1        0.01       76.78
         71 |          7        0.07       76.85
         72 |        267        2.67       79.52
         73 |         84        0.84       80.36
         76 |        136        1.36       81.72
         77 |          8        0.08       81.80
         82 |        154        1.54       83.34
         84 |         82        0.82       84.16
         85 |         44        0.44       84.60
         86 |         21        0.21       84.81
         87 |         69        0.69       85.50
         89 |          2        0.02       85.52
         90 |          4        0.04       85.56
         92 |          8        0.08       85.64
         93 |          5        0.05       85.69
         97 |          1        0.01       85.70
         98 |        213        2.13       87.83
         99 |        203        2.03       89.86
          . |      1,014       10.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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