75% (1980)

75% (1976)

0% (1992)

70% (1977)

56% (2011)

0% (1999)

0% (2010)

53% (2002)

70% (1973)

80% (1988)

90% (1978)

70% (2012)

84% (1986)

72% (1974)

70% (1979)

0% (1975)

73% (1978)

75% (1975)

61% (2001)

64% (2007)