67% (2003)

66% (2005)

57% (2007)

56% (2004)

67% (2004)

45% (2005)

43% (2008)

63% (2005)

42% (2008)

70% (2007)

47% (2007)

49% (2007)

60% (2005)

60% (2003)

60% (2006)

61% (2006)

64% (2008)

52% (2002)

60% (2003)

61% (2007)