56% (2003)

59% (2006)

42% (2003)

63% (2005)

52% (2003)

41% (1999)

58% (2002)

37% (2004)

40% (1998)

48% (2005)

61% (1999)

52% (2001)

66% (2005)

56% (2004)

17% (2003)

60% (2002)