63% (1984)

60% (1996)

66% (2010)

59% (2006)

50% (1976)

66% (2017)

53% (1988)

56% (1986)

63% (1986)

75% (2023)

61% (1999)

52% (1981)

50% (1989)

41% (1989)

63% (2001)

38% (1987)

56% (1980)

46% (1991)

55% (1989)

29% (1981)