64% (2005)

62% (2006)

71% (2019)

71% (2014)

60% (2002)

73% (2014)

68% (2008)

63% (1964)

70% (2011)

59% (1977)

68% (2001)

69% (2007)

77% (1998)

67% (2010)

58% (1980)

65% (2010)

52% (2001)

73% (2020)

48% (2006)

70% (2021)