75% (2013)

83% (2002)

70% (1970)

78% (2004)

70% (2014)

75% (2011)

72% (2016)

65% (1981)

67% (2016)

75% (2008)

82% (1994)

0% (1983)

100% (1978)

80% (2015)

30% (1994)

35% (1992)

90% (2008)

73% (1977)

93% (2016)

0% (2009)