57% (2011)

64% (1994)

66% (2006)

70% (1990)

62% (2002)

71% (1991)

64% (1992)

66% (2007)

76% (2019)

67% (1994)

69% (1987)

71% (1994)

70% (1989)

64% (2010)

62% (2009)

45% (2015)

57% (2012)

58% (1973)

60% (2006)

62% (1985)