53% (1994)

73% (2005)

72% (2021)

71% (1977)

81% (2017)

77% (2008)

72% (1994)

40% (1993)

68% (1968)

60% (2015)

63% (2020)

40% (1982)

58% (1984)

68% (1994)

65% (2004)

69% (2014)

59% (2009)

59% (2011)

68% (2016)

54% (2006)