61% (2008)

64% (2006)

75% (2001)

54% (2006)

64% (2004)

53% (2005)

45% (2002)

67% (2001)

63% (2005)

46% (2006)

64% (2004)

49% (2003)

81% (2005)

67% (2003)

55% (2003)

66% (2010)

71% (2006)

55% (2002)

76% (2005)

61% (2004)