|   | 
        %    of vegetation coverage per year | 
       
      
        | Type    of vegetation | 
        2000 | 
        2001 | 
        2002 | 
        2003 | 
        2004 | 
        2005 | 
        2006 | 
        2007 | 
        2008 | 
       
      
        | High Vegetation | 
        0.77 | 
        1.76 | 
        1.58 | 
        1.09 | 
        0.48 | 
        0.92 | 
        0.85 | 
        2.55 | 
        0.90 | 
       
      
        | Medium Vegetation | 
        58.15 | 
        58.01 | 
        36.85 | 
        26.69 | 
        30.42 | 
        38.99 | 
        47.16 | 
        50.47 | 
        50.44 | 
       
      
        | Low vegetation | 
        30.94 | 
        30.10 | 
        51.21 | 
        61.91 | 
        58.66 | 
        49.91 | 
        41.66 | 
        36.75 | 
        38.28 | 
       
      
        | No vegetation | 
        0.18 | 
        0.17 | 
        0.36 | 
        0.40 | 
        0.48 | 
        0.26 | 
        0.43 | 
        0.30 | 
        0.51 | 
       
      
        | Water | 
        9.96 | 
        9.97 | 
        9.99 | 
        9.91 | 
        9.96 | 
        9.92 | 
        9.90 | 
        9.92 | 
        9.87 | 
       
      |