58% (2008)

78% (2004)

50% (2003)

70% (1992)

54% (2005)

61% (2001)

38% (2000)

70% (1998)

80% (2004)

0% (2006)

0% (2005)

64% (1999)

50% (2009)

55% (2009)

0% (2006)

70% (2010)

42% (2002)

33% (2008)

0% (1999)

58% (2013)