67% (2003)

67% (2004)

43% (2008)

70% (2007)

49% (2007)

63% (2005)

60% (2005)

66% (2005)

66% (2005)

59% (2004)

60% (2003)

78% (2006)

55% (2005)

62% (2004)

60% (2006)

54% (2005)

62% (2006)

63% (2006)

51% (2005)

64% (2008)