70% (1997)

82% (1996)

40% (2007)

0% (1979)

0% (2010)

0% (2009)

0% (1982)

0% (1973)

56% (2000)

88% (2002)

65% (2002)

80% (1997)

82% (1998)

0% (1982)

80% (1989)

72% (2003)

0% (1979)

0% (1980)

55% (2004)

100% (2014)