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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,596       85.96       85.96
          2 |      1,174       11.74       97.70
          3 |         46        0.46       98.16
          4 |         76        0.76       98.92
          5 |         19        0.19       99.11
          8 |         17        0.17       99.28
          9 |         72        0.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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