65% (2024)

71% (2015)

71% (2009)

71% (2013)

67% (2003)

74% (1995)

68% (1990)

77% (1988)

77% (1998)

76% (2004)

57% (2015)

74% (2017)

75% (2006)

62% (2010)

62% (1981)

60% (2006)

80% (1996)

0% (2001)

74% (1984)

70% (2007)