Frequencies for pveh_sev variable in parkwork dataset :

  extent of |
     damage |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         14        1.24        1.24
          2 |        302       26.65       27.89
          4 |        219       19.33       47.22
          6 |        407       35.92       83.14
          8 |        160       14.12       97.26
          9 |         31        2.74      100.00
------------+-----------------------------------
      Total |      1,133      100.00

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