50% (2014)

0% (1983)

73% (1987)

0% (1988)

62% (2011)

62% (2003)

0% (1999)

73% (2007)

70% (1985)

65% (1984)

0% (1981)

70% (2007)

80% (1980)

73% (2004)

0% (1998)

0% (1996)

55% (2002)

78% (2011)

63% (2004)

41% (2015)