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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,727       87.27       87.27
          2 |      1,062       10.62       97.89
          3 |         48        0.48       98.37
          4 |         70        0.70       99.07
          5 |         12        0.12       99.19
          8 |          7        0.07       99.26
          9 |         74        0.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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