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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,610       86.10       86.10
          2 |      1,133       11.33       97.43
          3 |         48        0.48       97.91
          4 |         88        0.88       98.79
          5 |         14        0.14       98.93
          8 |         19        0.19       99.12
          9 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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