Frequencies for first 10,000 rows of ta_1_cl variable in accident dataset :

 TA-1 Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        910        9.10        9.10
          2 |      2,780       27.80       36.90
          3 |      1,275       12.75       49.65
          4 |      2,275       22.75       72.40
          5 |        103        1.03       73.43
          6 |        870        8.70       82.13
          7 |        999        9.99       92.12
          8 |        785        7.85       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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