69% (2005)

64% (1993)

51% (2009)

64% (2015)

54% (2014)

43% (2004)

64% (1996)

59% (2014)

61% (2003)

59% (1982)

74% (1999)

64% (1993)

88% (2002)

87% (2013)

86% (2018)

80% (1989)

48% (2006)

72% (2007)

75% (2003)

85% (2011)