80% (2002)

66% (2001)

72% (2001)

71% (2001)

68% (2003)

69% (2008)

54% (2003)

61% (2008)

54% (2003)

62% (2002)

64% (2007)

63% (2006)

54% (2009)

61% (2005)

61% (2008)

42% (2003)

53% (2003)

69% (2007)

68% (2004)

58% (2008)