Frequencies for pveh_sev variable in parkwork dataset :

  extent of |
     damage |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         12        1.11        1.11
          2 |        313       28.87       29.98
          4 |        281       25.92       55.90
          6 |        327       30.17       86.07
          8 |        128       11.81       97.88
          9 |         23        2.12      100.00
------------+-----------------------------------
      Total |      1,084      100.00

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