74% (1999)

82% (1993)

80% (2004)

79% (2006)

71% (2005)

65% (2001)

0% (2001)

60% (1996)

70% (2002)

70% (2013)

78% (1998)

56% (1998)

57% (1985)

69% (1997)

81% (1981)

0% (2011)

78% (1995)

60% (2000)

82% (1999)

67% (1999)