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

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,709       77.09       77.09
          2 |      1,999       19.99       97.08
          3 |         98        0.98       98.06
          4 |         21        0.21       98.27
          9 |        173        1.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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