2011

•  Survey 8 - 2011 30.71 Kb
•  Survey 7 - 2011 30.88 Kb
•  Survey 6 - 2011 30.89 Kb
•  Survey 5 - 2011 30.81 Kb
•  Survey 4 - 2011 30.91 Kb
•  Survey 3 - 2011 30.95 Kb
• Survey 2 - 2011 30.78 Kb
•  Survey 1 - 2011 30.94 Kb 

2010

•  Survey 8 - 2010 30.80 Kb
•  Survey 7 - 2010 30.80 Kb
•  Survey 6 - 2010 30.60 Kb
•  Survey 5 - 2010 30.79 Kb
•  Survey 4 - 2010 30.74 Kb
•  Survey 3 - 2010 30.72 Kb
•  Survey 2 - 2010 30.62 Kb
•  Survey 1 - 2010 31.95 Kb
  

2009

•  Survey 8 - 2009 32.28 Kb
•  Survey 7 - 2009 32.46 Kb
•  Survey 6 - 2009 32.33 Kb
•  Survey 5 - 2009 32.34 Kb
•  Survey 4 - 2009 32.40 Kb
•  Survey 3 - 2009 32.41 Kb
•  Survey 2 - 2009 32.27 Kb
•  Survey 1 - 2009 32.77 Kb

2008

•  Survey 8 - 2008 32.25 Kb
•  Survey 7 - 2008 32.26 Kb
•  Survey 6 - 2008 33.62 Kb
•  Survey 5 - 2008 32.17 Kb
•  Survey 4 - 2008 31.35 Kb
•  Survey 3 - 2008 31.24 Kb
•  Survey 2 - 2008 31.93 Kb
•  Survey 1 - 2008 32.06 Kb

2007

•  Survey 8 - 2007 30.96 Kb
•  Survey 7 - 2007 31.97 Kb
•  Survey 6 - 2007 31.83 Kb
•  Survey 5 - 2007 31.87 Kb
•  Survey 4 - 2007 31.88 Kb
•  Survey 3 - 2007 32.04 Kb
•  Survey 2 - 2007 31.08 Kb
• Survey 1 - 2007 31.30 Kb

2006

• Survey 8 - 2006 31.05 Kb
• Survey 7 - 2006 31.15 Kb
• Survey 6 - 2006 31.10 Kb
• Survey 5 - 2006 31.13 Kb
• Survey 4 - 2006 31.21 Kb
• Survey 3 - 2006 31.19 Kb
• Survey 2 - 2006 31.25 Kb
• Survey 1 - 2006 31.39 Kb

2005

• Survey 8 - 2005 17.26 Kb
• Survey 7 - 2005 17.29 Kb
• Survey 6 - 2005 17.29 Kb
• Survey 5 - 2005 16.19 Kb
• Survey 4 - 2005 14.65 Kb
• Survey 3 - 2005 14.50 Kb
• Survey 2 - 2005 69.92 Kb
• Survey 1 - 2005 122.32 Kb