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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.02        0.02
          2 |        178        1.78        1.80
          6 |        110        1.10        2.90
          7 |        648        6.48        9.38
          9 |        100        1.00       10.38
         10 |         19        0.19       10.57
         12 |      1,791       17.91       28.48
         13 |         54        0.54       29.02
         14 |        153        1.53       30.55
         18 |        239        2.39       32.94
         19 |        132        1.32       34.26
         20 |      1,550       15.50       49.76
         21 |        162        1.62       51.38
         22 |        314        3.14       54.52
         23 |        324        3.24       57.76
         24 |         72        0.72       58.48
         30 |         83        0.83       59.31
         31 |          2        0.02       59.33
         32 |          3        0.03       59.36
         34 |         48        0.48       59.84
         35 |        400        4.00       63.84
         37 |        592        5.92       69.76
         38 |         62        0.62       70.38
         39 |          8        0.08       70.46
         41 |        162        1.62       72.08
         42 |         28        0.28       72.36
         43 |          1        0.01       72.37
         45 |          4        0.04       72.41
         47 |          6        0.06       72.47
         48 |         49        0.49       72.96
         49 |        679        6.79       79.75
         50 |          4        0.04       79.79
         51 |         53        0.53       80.32
         52 |        132        1.32       81.64
         53 |         50        0.50       82.14
         54 |         84        0.84       82.98
         55 |         64        0.64       83.62
         58 |         12        0.12       83.74
         59 |         24        0.24       83.98
         60 |          1        0.01       83.99
         62 |         14        0.14       84.13
         63 |         33        0.33       84.46
         64 |         15        0.15       84.61
         69 |          1        0.01       84.62
         71 |          2        0.02       84.64
         72 |        100        1.00       85.64
         73 |         43        0.43       86.07
         74 |          1        0.01       86.08
         76 |         46        0.46       86.54
         82 |        140        1.40       87.94
         83 |          1        0.01       87.95
         84 |         71        0.71       88.66
         85 |         53        0.53       89.19
         86 |         35        0.35       89.54
         87 |         80        0.80       90.34
         89 |         14        0.14       90.48
         90 |         29        0.29       90.77
         92 |          2        0.02       90.79
         93 |          9        0.09       90.88
         98 |         84        0.84       91.72
         99 |        179        1.79       93.51
          . |        649        6.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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