73% (2015)

77% (2017)

75% (1983)

69% (1982)

76% (2013)

67% (2019)

69% (2014)

82% (2000)

61% (1973)

65% (2018)

76% (2016)

69% (1989)

48% (2013)

76% (2008)

73% (2002)

63% (2004)

69% (2005)

45% (2005)

62% (2018)

59% (2011)