69% (2006)

59% (2014)

80% (1986)

83% (2013)

90% (1997)

70% (1992)

86% (2016)

0% (2000)

60% (1990)

75% (2011)

65% (2015)

100% (2007)

56% (2010)

65% (2006)

87% (2016)

55% (2005)

96% (1976)

0% (1987)

80% (1980)

0% (1988)