72% (2023)

70% (2011)

70% (2017)

76% (1996)

74% (2002)

76% (1992)

67% (2006)

68% (1994)

61% (2010)

68% (1999)

63% (1994)

53% (1989)

58% (1994)

80% (2023)

49% (2004)

65% (2001)

70% (2012)

46% (2013)

40% (1998)

78% (1999)