81% (1994)

74% (1998)

59% (1999)

79% (1987)

72% (2006)

66% (2000)

85% (1984)

60% (1994)

73% (1982)

77% (1983)

67% (2003)

40% (2005)

69% (1964)

62% (1995)

70% (1980)

46% (2000)

76% (1980)

0% (2013)

0% (1979)

50% (1998)