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

    vehicle |
       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        179        1.79        1.79
          3 |          6        0.06        1.85
          6 |        113        1.13        2.98
          7 |        519        5.19        8.17
          9 |         23        0.23        8.40
         10 |          1        0.01        8.41
         12 |      1,449       14.49       22.90
         13 |         50        0.50       23.40
         14 |         88        0.88       24.28
         18 |        108        1.08       25.36
         19 |         87        0.87       26.23
         20 |      1,287       12.87       39.10
         21 |         39        0.39       39.49
         22 |         99        0.99       40.48
         23 |        335        3.35       43.83
         24 |         82        0.82       44.65
         25 |          1        0.01       44.66
         30 |         86        0.86       45.52
         31 |          1        0.01       45.53
         32 |         31        0.31       45.84
         34 |        104        1.04       46.88
         35 |        470        4.70       51.58
         36 |          4        0.04       51.62
         37 |        711        7.11       58.73
         38 |         26        0.26       58.99
         39 |         15        0.15       59.14
         41 |         93        0.93       60.07
         42 |         75        0.75       60.82
         45 |          4        0.04       60.86
         47 |          3        0.03       60.89
         48 |         41        0.41       61.30
         49 |        961        9.61       70.91
         50 |         10        0.10       71.01
         51 |         79        0.79       71.80
         52 |         86        0.86       72.66
         53 |        108        1.08       73.74
         54 |        100        1.00       74.74
         55 |        107        1.07       75.81
         58 |         62        0.62       76.43
         59 |         66        0.66       77.09
         62 |         14        0.14       77.23
         63 |        108        1.08       78.31
         64 |          4        0.04       78.35
         65 |          2        0.02       78.37
         67 |          2        0.02       78.39
         69 |         15        0.15       78.54
         71 |         12        0.12       78.66
         72 |        240        2.40       81.06
         73 |         80        0.80       81.86
         74 |          1        0.01       81.87
         76 |        132        1.32       83.19
         77 |          9        0.09       83.28
         82 |        160        1.60       84.88
         84 |         72        0.72       85.60
         85 |         55        0.55       86.15
         86 |         15        0.15       86.30
         87 |         75        0.75       87.05
         89 |          6        0.06       87.11
         90 |         14        0.14       87.25
         92 |          1        0.01       87.26
         93 |         12        0.12       87.38
         94 |          1        0.01       87.39
         98 |        145        1.45       88.84
         99 |        179        1.79       90.63
          . |        937        9.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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