71% (2009)

71% (2015)

60% (2024)

70% (2013)

67% (1990)

74% (1995)

78% (1998)

66% (2003)

77% (1988)

71% (1986)

62% (2010)

59% (2006)

70% (2017)

0% (2025)

62% (2014)

75% (2004)

79% (1996)

71% (1977)

57% (2015)

65% (2025)