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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,650       86.50       86.50
          2 |      1,095       10.95       97.45
          3 |         46        0.46       97.91
          4 |         56        0.56       98.47
          5 |         14        0.14       98.61
          8 |          8        0.08       98.69
          9 |        131        1.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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