61% (2003)

79% (2003)

70% (2001)

63% (2002)

72% (2004)

56% (2002)

59% (2001)

66% (2002)

64% (2005)

70% (2002)

56% (2000)

64% (2004)

26% (1999)

68% (2005)

46% (2002)

50% (2004)

68% (2002)