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

  Manner of |
  Collision |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,247       62.47       62.47
          1 |        536        5.36       67.83
          2 |      1,039       10.39       78.22
          3 |          1        0.01       78.23
          4 |      1,913       19.13       97.36
          5 |        109        1.09       98.45
          6 |        139        1.39       99.84
          9 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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