55% (2022)

62% (2023)

44% (2012)

62% (1981)

77% (2008)

72% (2007)

55% (2006)

70% (2008)

64% (1979)

55% (2009)

66% (1978)

65% (2009)

67% (2013)

61% (1982)

61% (2021)

66% (2007)

61% (2016)

70% (2012)

76% (2014)

58% (1985)