Frequencies for pveh_sev variable in parkwork dataset :

  extent of |
     damage |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         12        1.10        1.10
          2 |        312       28.65       29.75
          4 |        284       26.08       55.83
          6 |        327       30.03       85.86
          8 |        131       12.03       97.89
          9 |         23        2.11      100.00
------------+-----------------------------------
      Total |      1,089      100.00

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