66% (2007)

74% (2002)

74% (2006)

69% (2011)

60% (2011)

71% (2004)

54% (2009)

65% (2006)

66% (2002)

66% (2002)

64% (2004)

57% (2008)

64% (2001)

58% (2010)

53% (2003)

0% (1999)

68% (2007)

80% (2010)

0% (2002)

68% (2004)