77% (2006)

64% (1996)

78% (2001)

67% (2014)

77% (2003)

66% (2021)

61% (2018)

68% (2004)

76% (2011)

70% (2004)

64% (2000)

70% (1998)

51% (2008)

68% (2015)

67% (2002)

64% (2004)

49% (1997)

52% (1989)

63% (1998)

54% (2022)