Frequencies for first 10,000 rows of man_coll variable in vehicle dataset :

  MANNOR OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,432       44.32       44.32
          1 |        711        7.11       51.43
          2 |      1,841       18.41       69.84
          4 |      2,599       25.99       95.83
          5 |        201        2.01       97.84
          6 |        136        1.36       99.20
          9 |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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