62% (2003)

64% (2003)

44% (2008)

63% (2005)

51% (2007)

50% (2005)

37% (2004)

52% (2005)

62% (2006)

64% (2008)

55% (2005)

43% (2008)

71% (2007)

65% (2005)

53% (2007)

50% (2004)

61% (2006)

69% (2008)

59% (2005)

57% (2007)