76% (2013)

70% (2002)

84% (2002)

82% (1994)

67% (2016)

75% (2011)

45% (1994)

65% (2010)

70% (2015)

70% (2014)

72% (2016)

70% (1996)

35% (1992)

97% (2013)

0% (2015)

76% (1998)

0% (1970)

0% (2012)

100% (2016)

0% (2013)