78% (1998)

41% (2006)

67% (2005)

60% (2001)

62% (2001)

59% (2002)

33% (2000)

67% (2002)

57% (2002)

66% (2001)

46% (1999)

60% (2001)

61% (1999)

48% (2000)

53% (1999)

69% (2001)

67% (2006)

30% (2000)

56% (2003)

0% (2002)