59% (2005)

60% (2003)

72% (2005)

61% (2006)

62% (2004)

61% (2008)

63% (2006)

78% (2006)

55% (2005)

59% (2005)

59% (2004)

42% (2008)

56% (2004)

64% (2006)

60% (2006)

54% (2004)

56% (2007)

63% (2005)

54% (2005)

63% (2006)