45% (2008)

47% (2006)

43% (2008)

40% (2008)

59% (2002)

39% (2005)

37% (2003)

46% (2002)

40% (2008)

55% (2009)

77% (2002)

47% (2007)

33% (1998)

50% (2006)

56% (2006)

60% (1998)

51% (2008)

63% (2008)

36% (1998)

63% (1996)