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

   CONTROLS |
FUNCTIONING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,177       71.77       71.77
          1 |          9        0.09       71.86
          2 |          5        0.05       71.91
          3 |      2,726       27.26       99.17
          9 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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