60% (2008)

72% (2007)

73% (2008)

59% (2008)

68% (2006)

32% (2008)

66% (2006)

66% (2007)

62% (2009)

53% (2008)

40% (2007)

66% (2002)

41% (2003)

55% (2008)

52% (2007)

61% (2000)

63% (2002)

53% (2007)

52% (2004)

67% (2003)