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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          6        0.06        0.06
          2 |        116        1.16        1.22
          3 |          2        0.02        1.24
          6 |        104        1.04        2.28
          7 |        522        5.22        7.50
          9 |        170        1.70        9.20
         10 |         16        0.16        9.36
         12 |      1,634       16.34       25.70
         13 |         68        0.68       26.38
         14 |        182        1.82       28.20
         18 |        244        2.44       30.64
         19 |        138        1.38       32.02
         20 |      1,873       18.73       50.75
         21 |        338        3.38       54.13
         22 |        337        3.37       57.50
         23 |        244        2.44       59.94
         24 |         13        0.13       60.07
         30 |         81        0.81       60.88
         31 |          2        0.02       60.90
         32 |         10        0.10       61.00
         34 |         26        0.26       61.26
         35 |        522        5.22       66.48
         36 |          1        0.01       66.49
         37 |        452        4.52       71.01
         38 |         56        0.56       71.57
         39 |          2        0.02       71.59
         41 |        198        1.98       73.57
         42 |         26        0.26       73.83
         44 |          6        0.06       73.89
         45 |          5        0.05       73.94
         47 |          3        0.03       73.97
         48 |         69        0.69       74.66
         49 |        617        6.17       80.83
         50 |          3        0.03       80.86
         51 |         29        0.29       81.15
         52 |         93        0.93       82.08
         53 |         49        0.49       82.57
         54 |         50        0.50       83.07
         55 |        117        1.17       84.24
         56 |          3        0.03       84.27
         57 |          2        0.02       84.29
         58 |          6        0.06       84.35
         59 |         10        0.10       84.45
         60 |          6        0.06       84.51
         61 |          1        0.01       84.52
         62 |          1        0.01       84.53
         63 |          9        0.09       84.62
         71 |          2        0.02       84.64
         72 |         46        0.46       85.10
         73 |         34        0.34       85.44
         76 |         22        0.22       85.66
         81 |          2        0.02       85.68
         82 |        108        1.08       86.76
         83 |          4        0.04       86.80
         84 |        102        1.02       87.82
         85 |         70        0.70       88.52
         86 |         48        0.48       89.00
         87 |         52        0.52       89.52
         89 |         28        0.28       89.80
         98 |        128        1.28       91.08
         99 |        197        1.97       93.05
          . |        695        6.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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