66% (2007)

69% (2011)

75% (2006)

54% (2009)

65% (2006)

60% (2011)

74% (2002)

70% (2004)

64% (2004)

73% (2009)

57% (2008)

66% (2002)

66% (2002)

64% (2001)

0% (2002)

58% (2010)

68% (2004)

0% (1999)

80% (2010)

53% (2003)