65% (1993)

0% (1999)

64% (1996)

67% (1972)

66% (1994)

65% (1998)

63% (1999)

69% (2011)

55% (1980)

68% (2004)

79% (1996)

56% (2001)

64% (1984)

70% (1988)

52% (1991)

69% (2010)

66% (2016)

59% (2016)

62% (2008)

62% (2016)