59% (2010)

60% (2008)

64% (2008)

60% (2011)

76% (2011)

38% (2000)

58% (2005)

52% (2007)

55% (2003)

60% (2002)

53% (2002)

57% (2005)

60% (2003)

40% (2000)

60% (2003)

55% (2005)

50% (2001)

67% (2005)

54% (2008)

50% (2007)