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

    ROADWAY |
    PROFILE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,657       76.57       76.57
          2 |      1,995       19.95       96.52
          3 |         95        0.95       97.47
          4 |         19        0.19       97.66
          9 |        234        2.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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