66% (2009)

72% (2011)

76% (2002)

78% (2003)

71% (1998)

70% (2000)

64% (2003)

69% (2005)

66% (2006)

63% (2000)

62% (2009)

59% (1992)

70% (2013)

56% (2005)

58% (2023)

58% (2005)

58% (2004)

54% (2007)

66% (2014)

46% (2010)