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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,541       85.41       85.41
          2 |      1,250       12.50       97.91
          3 |         39        0.39       98.30
          4 |         68        0.68       98.98
          5 |         16        0.16       99.14
          8 |         23        0.23       99.37
          9 |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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