70% (2008)

74% (2010)

71% (2005)

76% (2009)

70% (2006)

74% (2006)

74% (2023)

70% (2004)

71% (2004)

72% (2012)

69% (2002)

68% (2009)

69% (2008)

73% (2009)

61% (2007)

49% (1996)

69% (2014)

72% (2013)

67% (2011)

64% (2006)