2009
election
33.8%
2005
election
35.2%
2013 election
41.5%
2015
14
13
12
11
10
09
08
07
06
05
45
40
35
25
30
Support, percent
2009
election
33.8%
2005
election
35.2%
2013 election
41.5%
2015
14
13
12
11
10
09
08
07
06
2005
45
40
35
25
30
Support, percent
2009
election
33.8%
2005
election
35.2%
2013 election
41.5%
2015
14
13
12
11
10
09
08
07
06
2005
45
40
35
25
30
Support, percent
2009
election
33.8%
2005
election
35.2%
2013 election
41.5%
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
45
40
35
25
30
Support, percent