57% (2003)

62% (2005)

59% (2000)

66% (2004)

52% (2002)

69% (2007)

66% (2002)

47% (1999)

57% (1994)

45% (2002)

38% (2004)

0% (1998)

50% (2004)

0% (1994)

0% (1995)