72% (2005)

72% (2003)

57% (2004)

53% (2002)

44% (2005)

46% (2003)

63% (2005)

45% (2002)

52% (2003)

0% (1999)

50% (2003)

20% (2001)

48% (2004)

10% (2002)

37% (2001)

30% (1998)

60% (2002)

40% (2002)