71% (2003)

62% (2003)

72% (2009)

58% (2006)

66% (2002)

77% (2005)

62% (2010)

65% (2008)

60% (2000)

54% (2011)

62% (2002)

60% (2010)

69% (2006)

59% (2008)

60% (2008)

41% (2008)

57% (2010)

65% (1999)

67% (2007)

61% (2000)