75% (1999)

71% (2005)

61% (2003)

82% (1999)

79% (2006)

0% (1997)

63% (1989)

78% (1995)

81% (1981)

70% (2013)

82% (1993)

65% (1998)

0% (1999)

80% (2004)

62% (1990)

69% (1997)

0% (2011)

60% (1985)

0% (2009)

85% (1994)