Frequencies for pveh_sev variable in parkwork dataset :

  Extent of |
     Damage |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         27        2.54        2.54
          2 |        308       28.95       31.48
          4 |        274       25.75       57.24
          6 |        375       35.24       92.48
          8 |         14        1.32       93.80
          9 |         66        6.20      100.00
------------+-----------------------------------
      Total |      1,064      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016