64% (2018)

60% (2017)

60% (2012)

70% (2002)

0% (1974)

0% (1991)

70% (1995)

67% (2006)

0% (1994)

0% (1989)

80% (2014)

0% (2011)

0% (1988)

0% (2017)

0% (2000)

0% (1980)

83% (2001)

60% (1998)

90% (2014)

78% (2009)