67% (1992)

73% (2014)

75% (1999)

79% (2007)

82% (1984)

85% (2016)

50% (2017)

77% (1999)

81% (2005)

70% (2005)

75% (1997)

49% (2003)

80% (2000)

63% (2012)

70% (1970)

0% (2001)

69% (1998)

63% (1977)

60% (1999)

80% (2009)