61% (2003)

78% (2003)

72% (2004)

70% (2001)

64% (2004)

66% (2002)

64% (2005)

59% (2001)

63% (2002)

56% (2002)

56% (2000)

70% (2002)

26% (1999)

68% (2005)

50% (2004)

68% (2002)

46% (2002)