73% (1999)

73% (2006)

74% (2006)

67% (2004)

67% (2009)

71% (2005)

61% (2016)

69% (2012)

70% (2003)

67% (2009)

75% (1999)

65% (2008)

60% (2000)

67% (2011)

68% (2001)

62% (2002)

70% (2007)

72% (2016)

63% (2004)

62% (2012)