88% (2013)

70% (2003)

0% (1967)

70% (1968)

0% (2002)

80% (2015)

71% (1988)

0% (2008)

77% (1991)

0% (1994)

10% (1995)

73% (2009)

70% (2016)

79% (2010)

72% (2010)

50% (1974)

45% (1988)

0% (1989)

100% (2010)

100% (1996)