75% (2013)

75% (2011)

70% (2002)

70% (2014)

84% (2002)

70% (1996)

67% (2016)

65% (2010)

82% (1994)

75% (2008)

72% (2016)

45% (1994)

70% (2015)

35% (1992)

0% (2015)

0% (2013)

0% (2009)

71% (1987)

0% (1970)

100% (1978)