71% (1992)

58% (2008)

78% (2004)

50% (2003)

62% (2001)

70% (2010)

70% (2002)

59% (2002)

55% (2009)

0% (2005)

64% (1999)

54% (2005)

0% (2006)

62% (2014)

58% (2013)

50% (2009)

42% (2002)

38% (2000)

63% (1997)

0% (1999)