67% (2002)

60% (2008)

73% (2008)

72% (2007)

68% (2006)

32% (2008)

40% (2007)

61% (2009)

67% (2007)

53% (2008)

56% (2008)

67% (2006)

67% (2003)

59% (2008)

52% (2007)

63% (2002)

61% (2000)

53% (2007)

63% (2003)

52% (2004)