81% (2014)

50% (1995)

51% (2005)

0% (1980)

10% (2004)

0% (1985)

100% (1993)

10% (1994)

90% (2006)

0% (2005)

60% (1987)

71% (2000)

0% (1970)

68% (1987)

62% (2006)

79% (2015)

65% (2000)

84% (2010)

82% (2016)

52% (2002)