70% (2008)

77% (2005)

65% (1998)

71% (2009)

72% (2007)

61% (2001)

69% (2004)

62% (2009)

73% (2004)

57% (2004)

69% (2007)

67% (2005)

72% (2005)

56% (2010)

65% (1997)

72% (2001)

80% (1999)

67% (2021)

71% (2017)

74% (2002)