74% (1999)

80% (1981)

82% (1993)

78% (2006)

65% (2001)

53% (2000)

61% (1989)

69% (1997)

82% (1999)

100% (1996)

80% (2004)

69% (2005)

57% (2003)

0% (2009)

0% (1999)

67% (1999)

56% (1998)

100% (1982)

73% (2000)

57% (1985)