69% (2008)

70% (2023)

78% (1975)

70% (2009)

86% (2023)

79% (1982)

84% (2021)

75% (1979)

73% (2011)

62% (1959)

70% (2000)

72% (2015)

62% (2005)

70% (1955)

90% (2000)

61% (2015)

47% (1961)

0% (2006)

71% (2015)

98% (1988)