70% (2006)

64% (2011)

56% (2005)

70% (2006)

95% (1996)

0% (2013)

75% (1989)

81% (2014)

85% (2004)

87% (2005)

80% (2002)

59% (1981)

83% (2011)

0% (1988)

80% (1991)

80% (2014)

63% (2017)

93% (1995)

80% (1993)

70% (1958)