65% (1998)

69% (2011)

70% (2002)

70% (2000)

74% (2012)

67% (2004)

75% (1996)

78% (1994)

69% (2005)

65% (2006)

68% (1999)

63% (2000)

72% (2010)

69% (2013)

70% (2021)

77% (1997)

58% (2005)

58% (2007)

66% (2006)

65% (2003)