61% (2011)

58% (2011)

47% (2011)

52% (2009)

64% (2007)

50% (2011)

60% (2010)

63% (2009)

64% (2003)

68% (2010)

65% (2005)

65% (2010)

72% (2001)

0% (2009)

60% (2006)

50% (2013)

64% (2011)

0% (2009)

0% (2008)