0% (1970)

71% (2013)

72% (2020)

70% (2015)

76% (1993)

60% (1985)

71% (1973)

66% (2013)

68% (2001)

46% (2023)

63% (1955)

61% (2005)

77% (2022)

65% (2022)

54% (2008)

74% (1998)

62% (2011)

59% (2010)

73% (2007)

82% (2019)