72% (2009)

65% (2012)

65% (2004)

67% (2006)

60% (2004)

67% (2010)

74% (2002)

52% (2007)

76% (2003)

59% (2010)

65% (2011)

74% (2008)

63% (2001)

65% (2006)

72% (2004)

74% (2011)

53% (2006)

63% (2006)

70% (2002)

71% (2010)