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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,291       62.91       62.91
          1 |        457        4.57       67.48
          2 |      1,126       11.26       78.74
          3 |          1        0.01       78.75
          4 |      1,928       19.28       98.03
          5 |        122        1.22       99.25
          6 |         65        0.65       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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