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

  number of |
parked/work |
        ing |
   vehicles |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,737       97.37       97.37
          1 |        195        1.95       99.32
          2 |         48        0.48       99.80
          3 |         10        0.10       99.90
          4 |          4        0.04       99.94
          5 |          5        0.05       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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