95% (1993)

72% (2012)

80% (2001)

98% (1995)

80% (2008)

60% (1975)

60% (2011)

65% (2010)

70% (2007)

62% (1997)

0% (1973)

45% (2016)

72% (1994)

26% (2009)

65% (2015)

60% (1976)

0% (1979)

60% (2015)

71% (2012)

84% (2013)