74% (2009)

66% (2020)

62% (2003)

78% (2021)

66% (1990)

79% (2002)

68% (2012)

52% (1973)

52% (1988)

74% (2003)

68% (1997)

70% (2004)

64% (2017)

33% (2023)

61% (2003)

54% (2004)

64% (2015)

77% (1987)

63% (1994)

70% (2023)