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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,717       47.17       47.17
          1 |        750        7.50       54.67
          2 |      2,013       20.13       74.80
          3 |          7        0.07       74.87
          4 |      2,268       22.68       97.55
          7 |        239        2.39       99.94
          9 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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