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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,132       51.32       51.32
          1 |        587        5.87       57.19
          2 |      1,499       14.99       72.18
          3 |          6        0.06       72.24
          4 |      2,507       25.07       97.31
          7 |        244        2.44       99.75
          9 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016