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

  MANNOR OF |
  COLLISION |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,226       62.26       62.26
          1 |        522        5.22       67.48
          2 |      1,120       11.20       78.68
          3 |          3        0.03       78.71
          4 |      1,960       19.60       98.31
          5 |        104        1.04       99.35
          6 |         53        0.53       99.88
          9 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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