74% (2007)

61% (2010)

66% (2007)

72% (2009)

59% (2011)

61% (2017)

66% (2023)

65% (2015)

60% (2011)

61% (2001)

67% (2005)

66% (2007)

57% (2013)

69% (2005)

61% (2006)

64% (2008)

0% (1994)