66% (2001)

55% (2003)

72% (2001)

71% (2001)

80% (2002)

62% (2002)

55% (2003)

64% (2006)

69% (2008)

64% (2007)

61% (2005)

68% (2003)

69% (2007)

61% (2008)

53% (2003)

56% (2004)

46% (2003)

60% (2005)

54% (2009)

61% (2008)