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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         25        0.25        0.25
          2 |         95        0.95        1.20
          6 |        113        1.13        2.33
          7 |        461        4.61        6.94
          8 |          1        0.01        6.95
          9 |        116        1.16        8.11
         10 |          8        0.08        8.19
         12 |      1,721       17.21       25.40
         13 |         67        0.67       26.07
         14 |        219        2.19       28.26
         18 |        288        2.88       31.14
         19 |        125        1.25       32.39
         20 |      1,924       19.24       51.63
         21 |        432        4.32       55.95
         22 |        300        3.00       58.95
         23 |        217        2.17       61.12
         25 |          1        0.01       61.13
         29 |          2        0.02       61.15
         30 |        117        1.17       62.32
         32 |         12        0.12       62.44
         33 |          1        0.01       62.45
         34 |         58        0.58       63.03
         35 |        531        5.31       68.34
         36 |          4        0.04       68.38
         37 |        380        3.80       72.18
         38 |         60        0.60       72.78
         39 |          2        0.02       72.80
         41 |        169        1.69       74.49
         42 |         30        0.30       74.79
         45 |         11        0.11       74.90
         46 |         12        0.12       75.02
         47 |         10        0.10       75.12
         48 |         80        0.80       75.92
         49 |        661        6.61       82.53
         51 |         30        0.30       82.83
         52 |         71        0.71       83.54
         53 |         53        0.53       84.07
         54 |         13        0.13       84.20
         55 |         84        0.84       85.04
         56 |          3        0.03       85.07
         57 |          3        0.03       85.10
         59 |         18        0.18       85.28
         60 |          4        0.04       85.32
         61 |          7        0.07       85.39
         69 |          1        0.01       85.40
         72 |         46        0.46       85.86
         73 |         48        0.48       86.34
         76 |         51        0.51       86.85
         82 |        123        1.23       88.08
         84 |        152        1.52       89.60
         85 |         42        0.42       90.02
         86 |         37        0.37       90.39
         87 |         62        0.62       91.01
         88 |          2        0.02       91.03
         98 |         46        0.46       91.49
         99 |        108        1.08       92.57
          . |        743        7.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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