70% (1998)

79% (2015)

77% (2003)

55% (2008)

70% (2002)

66% (2007)

56% (2015)

68% (2009)

60% (1966)

0% (1984)

60% (2014)

58% (2015)

0% (1992)

0% (1983)

80% (2011)

0% (2004)

60% (2011)

70% (2012)

0% (2009)

10% (1983)