100% (1962)

58% (1977)

45% (2001)

53% (2000)

45% (2022)

35% (2000)

0% (1998)

64% (2007)

70% (1988)

40% (2005)

52% (1997)

64% (1990)

72% (1985)

68% (1990)

69% (1987)

40% (1969)

44% (1979)

62% (1993)

43% (1999)

56% (2008)