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

       make |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        188        1.88        1.88
          3 |          7        0.07        1.95
          6 |        127        1.27        3.22
          7 |        557        5.57        8.79
          9 |         65        0.65        9.44
         10 |          5        0.05        9.49
         12 |      1,572       15.72       25.21
         13 |         58        0.58       25.79
         14 |        132        1.32       27.11
         18 |        155        1.55       28.66
         19 |         95        0.95       29.61
         20 |      1,403       14.03       43.64
         21 |        102        1.02       44.66
         22 |        178        1.78       46.44
         23 |        281        2.81       49.25
         24 |        101        1.01       50.26
         30 |         89        0.89       51.15
         32 |         14        0.14       51.29
         33 |          1        0.01       51.30
         34 |         87        0.87       52.17
         35 |        447        4.47       56.64
         37 |        787        7.87       64.51
         38 |         67        0.67       65.18
         39 |         10        0.10       65.28
         41 |        136        1.36       66.64
         42 |         88        0.88       67.52
         45 |         15        0.15       67.67
         47 |          8        0.08       67.75
         48 |         38        0.38       68.13
         49 |        898        8.98       77.11
         50 |         10        0.10       77.21
         51 |        100        1.00       78.21
         52 |        127        1.27       79.48
         53 |        193        1.93       81.41
         54 |        118        1.18       82.59
         55 |        102        1.02       83.61
         58 |         24        0.24       83.85
         59 |         82        0.82       84.67
         62 |          8        0.08       84.75
         63 |         61        0.61       85.36
         64 |         11        0.11       85.47
         69 |          7        0.07       85.54
         71 |         13        0.13       85.67
         72 |        254        2.54       88.21
         73 |         85        0.85       89.06
         74 |          1        0.01       89.07
         76 |        123        1.23       90.30
         82 |        227        2.27       92.57
         84 |        101        1.01       93.58
         85 |         95        0.95       94.53
         86 |         38        0.38       94.91
         87 |        115        1.15       96.06
         89 |         12        0.12       96.18
         90 |          4        0.04       96.22
         92 |          4        0.04       96.26
         93 |          4        0.04       96.30
         94 |          6        0.06       96.36
         98 |        119        1.19       97.55
         99 |        245        2.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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