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 |      1,270       12.70       98.07
          3 |         44        0.44       98.51
          4 |         73        0.73       99.24
          5 |         26        0.26       99.50
          8 |         20        0.20       99.70
          9 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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