Frequencies for ta_1_cl variable in accident dataset :

 TA-1 Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |        197       40.29       40.29
          3 |         94       19.22       59.51
          4 |         10        2.04       61.55
          5 |          2        0.41       61.96
          6 |          3        0.61       62.58
          7 |         63       12.88       75.46
          8 |        120       24.54      100.00
------------+-----------------------------------
      Total |        489      100.00

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