Frequencies for pveh_sev variable in parkwork dataset :

  extent of |
     damage |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         16        1.40        1.40
          2 |        311       27.14       28.53
          4 |        306       26.70       55.24
          6 |        355       30.98       86.21
          8 |        135       11.78       97.99
          9 |         23        2.01      100.00
------------+-----------------------------------
      Total |      1,146      100.00

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