78% (2020)

80% (2000)

68% (2011)

72% (1996)

70% (1999)

76% (2013)

71% (1984)

72% (1993)

77% (2014)

74% (1985)

76% (1994)

64% (2007)

71% (2023)

69% (1982)

71% (2003)

76% (2004)

73% (2003)

67% (1980)

73% (1983)

67% (1986)