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

    Vehicle |
       Make |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        174        1.74        1.74
          6 |        104        1.04        2.78
          7 |        536        5.36        8.14
          8 |          7        0.07        8.21
          9 |        327        3.27       11.48
         12 |      1,989       19.89       31.37
         13 |         53        0.53       31.90
         14 |        226        2.26       34.16
         18 |        296        2.96       37.12
         19 |        124        1.24       38.36
         20 |      2,066       20.66       59.02
         21 |        299        2.99       62.01
         22 |        364        3.64       65.65
         23 |        181        1.81       67.46
         30 |        522        5.22       72.68
         32 |         27        0.27       72.95
         34 |         23        0.23       73.18
         35 |        338        3.38       76.56
         36 |         44        0.44       77.00
         37 |        450        4.50       81.50
         41 |         60        0.60       82.10
         43 |         44        0.44       82.54
         45 |         39        0.39       82.93
         48 |         14        0.14       83.07
         49 |        254        2.54       85.61
         50 |         51        0.51       86.12
         51 |         27        0.27       86.39
         60 |          7        0.07       86.46
         62 |        119        1.19       87.65
         63 |        130        1.30       88.95
         65 |          6        0.06       89.01
         66 |         54        0.54       89.55
         67 |        121        1.21       90.76
         69 |          9        0.09       90.85
         70 |          3        0.03       90.88
         80 |          1        0.01       90.89
         81 |          3        0.03       90.92
         82 |         13        0.13       91.05
         83 |          1        0.01       91.06
         84 |        181        1.81       92.87
         85 |         86        0.86       93.73
         86 |         53        0.53       94.26
         87 |         90        0.90       95.16
         88 |        119        1.19       96.35
         95 |         70        0.70       97.05
         98 |        104        1.04       98.09
         99 |        191        1.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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