65% (2001)

66% (1998)

58% (2004)

66% (2002)

56% (2004)

52% (2004)

63% (2003)

56% (2000)

46% (2005)

61% (2000)

62% (1998)

62% (1998)

47% (2002)

51% (2000)

61% (2000)