20% (2013)

0% (1967)

0% (1976)

90% (1977)

50% (1996)

80% (2003)

0% (1993)

0% (2000)

78% (2006)

0% (2009)

0% (2019)

0% (2006)

0% (1989)

70% (2003)

70% (2006)

75% (2002)

80% (2013)

0% (1992)

0% (2003)

88% (2002)