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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,537       85.37       85.37
          2 |      1,200       12.00       97.37
          3 |         49        0.49       97.86
          4 |         74        0.74       98.60
          5 |         19        0.19       98.79
          8 |         12        0.12       98.91
          9 |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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