74% (2014)

71% (2024)

72% (2016)

78% (2003)

61% (2010)

79% (1992)

68% (1968)

72% (1985)

76% (2008)

80% (2004)

67% (1997)

74% (2019)

78% (1995)

75% (1971)

63% (2011)

69% (2018)

59% (2021)

71% (1973)

73% (1973)

60% (1982)