70% (2002)

69% (1997)

70% (1993)

70% (1994)

53% (2000)

60% (1998)

50% (1999)

79% (1999)

0% (1999)

67% (1999)

10% (2010)

90% (2009)

0% (2009)

100% (1996)

78% (1998)

0% (2001)

70% (2008)

67% (2000)

0% (1997)

79% (2006)