73% (1999)

71% (1972)

73% (2009)

40% (1989)

66% (1993)

56% (1990)

60% (1979)

29% (1979)

63% (1989)

72% (1971)

50% (2003)

53% (2005)

73% (2000)

52% (2002)

70% (2003)

73% (1997)

61% (1993)

74% (2023)

60% (1992)

58% (1986)