Frequencies for first 10,000 rows of cf1 variable in accident dataset :

    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,279       92.79       92.79
          1 |          2        0.02       92.81
          2 |         15        0.15       92.96
          3 |         26        0.26       93.22
          4 |         15        0.15       93.37
          5 |          5        0.05       93.42
          6 |          3        0.03       93.45
          7 |          1        0.01       93.46
         13 |          2        0.02       93.48
         14 |        234        2.34       95.82
         15 |         19        0.19       96.01
         16 |         33        0.33       96.34
         17 |          1        0.01       96.35
         18 |         27        0.27       96.62
         19 |        123        1.23       97.85
         20 |         94        0.94       98.79
         21 |          4        0.04       98.83
         22 |          2        0.02       98.85
         23 |         68        0.68       99.53
         24 |          1        0.01       99.54
         25 |          1        0.01       99.55
         26 |          8        0.08       99.63
         27 |          5        0.05       99.68
         28 |         26        0.26       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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