Frequencies for first 10,000 rows of dr_cf1 variable in vehicle dataset :

     Driver |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,180       31.80       31.80
          1 |        174        1.74       33.54
          2 |         17        0.17       33.71
          3 |          5        0.05       33.76
          4 |          7        0.07       33.83
          5 |         63        0.63       34.46
          6 |        547        5.47       39.93
          8 |          1        0.01       39.94
         10 |          4        0.04       39.98
         11 |          9        0.09       40.07
         12 |          7        0.07       40.14
         20 |         56        0.56       40.70
         21 |         18        0.18       40.88
         22 |          6        0.06       40.94
         23 |         19        0.19       41.13
         24 |        101        1.01       42.14
         26 |         24        0.24       42.38
         27 |         46        0.46       42.84
         28 |      1,127       11.27       54.11
         29 |         13        0.13       54.24
         30 |         12        0.12       54.36
         31 |         15        0.15       54.51
         33 |         35        0.35       54.86
         34 |          8        0.08       54.94
         35 |         43        0.43       55.37
         36 |         70        0.70       56.07
         37 |         26        0.26       56.33
         38 |        536        5.36       61.69
         39 |        266        2.66       64.35
         40 |          5        0.05       64.40
         41 |          5        0.05       64.45
         42 |          4        0.04       64.49
         43 |          2        0.02       64.51
         44 |      1,845       18.45       82.96
         45 |          4        0.04       83.00
         47 |          2        0.02       83.02
         48 |        283        2.83       85.85
         50 |          8        0.08       85.93
         51 |        216        2.16       88.09
         52 |         10        0.10       88.19
         53 |         11        0.11       88.30
         54 |         49        0.49       88.79
         55 |          5        0.05       88.84
         56 |          2        0.02       88.86
         58 |         38        0.38       89.24
         59 |          4        0.04       89.28
         61 |         91        0.91       90.19
         62 |         24        0.24       90.43
         63 |         38        0.38       90.81
         64 |          7        0.07       90.88
         65 |         19        0.19       91.07
         66 |         37        0.37       91.44
         67 |         26        0.26       91.70
         69 |          1        0.01       91.71
         71 |          3        0.03       91.74
         75 |          2        0.02       91.76
         76 |          3        0.03       91.79
         77 |          2        0.02       91.81
         79 |         18        0.18       91.99
         80 |         18        0.18       92.17
         81 |          6        0.06       92.23
         82 |          1        0.01       92.24
         83 |          4        0.04       92.28
         84 |         33        0.33       92.61
         85 |          7        0.07       92.68
         86 |          1        0.01       92.69
         87 |         12        0.12       92.81
         90 |        269        2.69       95.50
         91 |        310        3.10       98.60
         92 |         24        0.24       98.84
         99 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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