76% (2013)

70% (1970)

75% (2011)

83% (2002)

78% (2004)

100% (1978)

70% (2014)

80% (2015)

67% (2016)

72% (2016)

75% (2008)

65% (1981)

82% (1994)

45% (1994)

65% (2010)

73% (1977)

100% (2013)

90% (2008)

70% (2018)

0% (1983)