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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,602       46.02       46.02
          1 |        707        7.07       53.09
          2 |      1,655       16.55       69.64
          4 |      2,717       27.17       96.81
          5 |        127        1.27       98.08
          6 |        164        1.64       99.72
          9 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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