71% (2015)

71% (2009)

70% (2013)

59% (2024)

78% (1998)

67% (2003)

74% (1995)

74% (1984)

64% (2008)

71% (1986)

60% (2006)

62% (2014)

77% (1988)

67% (1990)

51% (2001)

80% (1996)

61% (2020)

62% (2010)

60% (2007)

58% (2013)