50% (2006)

77% (1995)

64% (2005)

50% (1991)

62% (1994)

70% (1999)

66% (1997)

67% (2013)

70% (1998)

74% (2018)

68% (1992)

78% (2008)

56% (1998)

0% (1993)

72% (1984)

74% (2015)

69% (2013)

67% (2010)

65% (1964)

65% (1999)