74% (2006)

73% (2007)

76% (2004)

66% (2005)

42% (2001)

43% (2004)

58% (2008)

65% (2008)

62% (1999)

67% (2009)

56% (2014)

66% (2006)

71% (2010)

71% (2011)

56% (2002)

53% (2012)

37% (2004)

34% (2004)

0% (2005)

61% (2013)