59% (2002)

45% (2008)

47% (2006)

46% (2002)

39% (2005)

43% (2008)

40% (2008)

33% (1998)

40% (2008)

50% (2006)

55% (2009)

56% (2006)

77% (2002)

37% (2003)

36% (1998)

50% (2008)

47% (2007)

64% (2008)

60% (1998)

0% (1997)