69% (1996)

73% (2012)

68% (2022)

68% (1992)

65% (2017)

60% (1995)

75% (1990)

62% (1985)

76% (2007)

79% (2018)

64% (2013)

77% (2006)

62% (2014)

80% (1993)

64% (2010)

69% (1982)

56% (2007)

63% (2017)

63% (2003)

68% (2015)