71% (1992)

58% (2008)

55% (2009)

62% (2001)

34% (2008)

38% (2000)

65% (1999)

76% (2004)

0% (2005)

42% (2002)

50% (2009)

54% (2005)

0% (1999)

0% (2006)

0% (2006)

80% (1994)

70% (1998)

0% (2010)

70% (2010)

0% (2006)