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

  MANNOR OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,973       49.73       49.73
          1 |        663        6.63       56.36
          2 |      1,642       16.42       72.78
          3 |          7        0.07       72.85
          4 |      2,462       24.62       97.47
          5 |        103        1.03       98.50
          6 |        142        1.42       99.92
          9 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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