42% (1977)

69% (2016)

65% (2008)

61% (2017)

66% (2006)

68% (2003)

74% (2019)

63% (2013)

70% (2025)

63% (2010)

78% (2015)

70% (1992)

72% (2007)

64% (2004)

80% (1988)

53% (1977)

65% (2005)

81% (2000)

58% (2011)

78% (2024)