67% (2024)

59% (1995)

66% (2000)

74% (2023)

63% (1988)

63% (2010)

75% (1994)

50% (1981)

61% (2007)

69% (2006)

73% (1991)

78% (2024)

75% (2014)

30% (2008)

76% (2007)

65% (2005)

73% (1999)

77% (2024)

78% (2015)

52% (2015)