61% (2004)

57% (2003)

67% (2002)

53% (2005)

53% (2002)

20% (1999)

22% (2008)

66% (1995)

61% (2002)

69% (2006)

71% (2001)

67% (2004)

67% (2003)

46% (2005)

60% (2005)

77% (1997)

66% (2004)

63% (1999)

0% (2005)

57% (2008)