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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,917       89.17       89.17
          2 |        835        8.35       97.52
          3 |         39        0.39       97.91
          4 |         59        0.59       98.50
          5 |         25        0.25       98.75
          8 |          8        0.08       98.83
          9 |        117        1.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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