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

     Driver |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,156       31.56       31.56
          1 |        160        1.60       33.16
          2 |         17        0.17       33.33
          3 |          4        0.04       33.37
          4 |          9        0.09       33.46
          5 |         65        0.65       34.11
          6 |        626        6.26       40.37
          7 |          1        0.01       40.38
          8 |          1        0.01       40.39
         10 |          1        0.01       40.40
         11 |          8        0.08       40.48
         12 |          2        0.02       40.50
         20 |         56        0.56       41.06
         21 |         24        0.24       41.30
         22 |          4        0.04       41.34
         23 |         17        0.17       41.51
         24 |        123        1.23       42.74
         26 |         36        0.36       43.10
         27 |         46        0.46       43.56
         28 |      1,350       13.50       57.06
         29 |          8        0.08       57.14
         30 |         11        0.11       57.25
         31 |         14        0.14       57.39
         33 |         22        0.22       57.61
         34 |          9        0.09       57.70
         35 |         43        0.43       58.13
         36 |         39        0.39       58.52
         37 |         18        0.18       58.70
         38 |        543        5.43       64.13
         39 |        303        3.03       67.16
         40 |          4        0.04       67.20
         41 |          5        0.05       67.25
         42 |          3        0.03       67.28
         43 |          1        0.01       67.29
         44 |      1,606       16.06       83.35
         45 |          1        0.01       83.36
         46 |          1        0.01       83.37
         47 |          4        0.04       83.41
         48 |        250        2.50       85.91
         49 |          1        0.01       85.92
         50 |          7        0.07       85.99
         51 |        132        1.32       87.31
         52 |         14        0.14       87.45
         53 |         11        0.11       87.56
         54 |         28        0.28       87.84
         55 |          2        0.02       87.86
         56 |          1        0.01       87.87
         57 |          2        0.02       87.89
         58 |         37        0.37       88.26
         59 |          1        0.01       88.27
         61 |        128        1.28       89.55
         62 |         36        0.36       89.91
         63 |         46        0.46       90.37
         64 |          3        0.03       90.40
         65 |         28        0.28       90.68
         66 |         34        0.34       91.02
         67 |         47        0.47       91.49
         69 |          1        0.01       91.50
         72 |          1        0.01       91.51
         75 |          2        0.02       91.53
         76 |          6        0.06       91.59
         77 |          1        0.01       91.60
         78 |          1        0.01       91.61
         79 |         19        0.19       91.80
         80 |         11        0.11       91.91
         81 |          3        0.03       91.94
         82 |          2        0.02       91.96
         83 |          3        0.03       91.99
         84 |         36        0.36       92.35
         85 |          4        0.04       92.39
         86 |          2        0.02       92.41
         87 |         22        0.22       92.63
         90 |        233        2.33       94.96
         91 |        404        4.04       99.00
         99 |        100        1.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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