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

    SURFACE |
  CONDITION |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,723       87.23       87.23
          2 |      1,094       10.94       98.17
          3 |         44        0.44       98.61
          4 |         57        0.57       99.18
          5 |         34        0.34       99.52
          8 |         18        0.18       99.70
          9 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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