70% (1993)

75% (2006)

90% (2013)

0% (2005)

0% (2002)

0% (1996)

0% (1999)

0% (1990)

0% (2013)

74% (2016)

0% (2003)

0% (2007)

70% (1964)

0% (1980)

70% (2014)

60% (1961)

0% (2009)

69% (1965)

62% (1994)

0% (2003)