Frequencies for pimpact2 variable in parkwork dataset :

    Area of |
    Impact- |
       Most |
    Damaged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          2        0.19        0.19
          1 |         17        1.60        1.79
          2 |         10        0.94        2.73
          3 |         36        3.38        6.11
          4 |         12        1.13        7.24
          5 |         29        2.73        9.96
          6 |        361       33.93       43.89
          7 |         81        7.61       51.50
          8 |         24        2.26       53.76
          9 |         83        7.80       61.56
         10 |         24        2.26       63.82
         11 |         52        4.89       68.70
         12 |        134       12.59       81.30
         13 |         22        2.07       83.36
         14 |          9        0.85       84.21
         18 |          4        0.38       84.59
         61 |         46        4.32       88.91
         62 |         11        1.03       89.94
         63 |         17        1.60       91.54
         81 |         15        1.41       92.95
         82 |          6        0.56       93.52
         83 |          3        0.28       93.80
         98 |         36        3.38       97.18
         99 |         30        2.82      100.00
------------+-----------------------------------
      Total |      1,064      100.00

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