78% (2006)

62% (2001)

63% (2003)

68% (2006)

52% (2006)

59% (2006)

60% (2006)

59% (2006)

56% (2007)

45% (2006)

59% (2003)

52% (2005)

64% (2005)

46% (2006)

60% (2010)

59% (2006)

45% (2002)

49% (2007)

43% (2004)

20% (2003)