76% (1996)

78% (1993)

74% (2003)

71% (2008)

70% (1999)

65% (2018)

88% (2002)

70% (2010)

0% (1988)

0% (1994)

0% (1993)

80% (2012)

0% (1980)

0% (2005)

71% (1999)

0% (2002)

50% (2009)

0% (1979)

0% (2009)

0% (1999)