70% (2006)

56% (2005)

64% (2011)

0% (2013)

80% (2002)

70% (2006)

87% (2005)

75% (1989)

85% (2004)

59% (1981)

81% (2014)

80% (2014)

0% (1988)

95% (1996)

80% (1991)

83% (2011)

93% (1995)

70% (1958)

80% (1993)

63% (2017)