63% (2006)

77% (2005)

62% (2005)

68% (2010)

68% (2004)

75% (2008)

64% (2010)

58% (2006)

53% (2007)

59% (2004)

64% (2006)

66% (2002)

80% (2011)

67% (2004)

55% (2006)

62% (2011)

73% (2011)

69% (2006)

45% (2007)

67% (2006)