70% (2008)

68% (2011)

75% (2008)

80% (1973)

75% (2001)

43% (2002)

77% (2010)

20% (1991)

30% (2016)

78% (2000)

80% (2018)

77% (2010)

50% (1995)

76% (2008)

75% (2001)

81% (2012)

80% (2014)

78% (2012)

0% (2013)

75% (1988)