Year
|
Tax
|
obsValue
|
2002
|
Environment
|
6.81
|
2003
|
Environment
|
6.85
|
2004
|
Environment
|
6.82
|
2005
|
Environment
|
6.63
|
2006
|
Environment
|
6.38
|
2007
|
Environment
|
6.17
|
2008
|
Environment
|
6.02
|
2009
|
Environment
|
6.34
|
2010
|
Environment
|
6.37
|
2011
|
Environment
|
6.38
|
2012
|
Environment
|
6.35
|
2013
|
Environment
|
6.33
|
2014
|
Environment
|
6.33
|
2015
|
Environment
|
6.31
|
2002
|
Labour
|
50.8
|
2003
|
Labour
|
50.9
|
2004
|
Labour
|
50.2
|
2005
|
Labour
|
49.6
|
2006
|
Labour
|
48.8
|
2007
|
Labour
|
48.6
|
2008
|
Labour
|
49.9
|
2009
|
Labour
|
52.0
|
2010
|
Labour
|
51.3
|
2011
|
Labour
|
50.9
|
2012
|
Labour
|
51.0
|
2013
|
Labour
|
50.6
|
2014
|
Labour
|
50.3
|
2015
|
Labour
|
49.7
|