72% (2007)

66% (2023)

69% (2023)

78% (2010)

68% (2002)

65% (2023)

61% (1983)

53% (2011)

66% (2023)

54% (2023)

50% (2023)

70% (2009)

63% (2006)

61% (1987)

58% (2017)

58% (2022)

59% (2015)

73% (2020)

71% (1996)

70% (1985)