71% (1992)

58% (2008)

50% (2003)

62% (2001)

78% (2004)

54% (2005)

70% (2010)

55% (2009)

64% (1999)

70% (2002)

38% (2000)

70% (1998)

80% (2004)

0% (2005)

62% (2014)

0% (2002)

0% (2006)

50% (2009)

0% (2006)

59% (2002)