78% (2006)

61% (2001)

59% (2006)

52% (2006)

59% (2006)

59% (2006)

68% (2006)

63% (2003)

63% (2005)

51% (2005)

45% (2006)

59% (2003)

56% (2007)

46% (2006)

54% (2010)

43% (2004)

59% (2006)

45% (2002)

49% (2007)

30% (2003)