71% (1980)

50% (2005)

73% (1976)

60% (1977)

0% (1999)

72% (1974)

90% (1978)

76% (1980)

60% (1979)

84% (1986)

60% (1988)

70% (1979)

70% (2012)

70% (1973)

56% (2011)

0% (1975)

73% (1978)

0% (1992)

53% (2002)

75% (1975)