64% (1991)

76% (1964)

66% (2013)

67% (2011)

64% (2006)

54% (2017)

67% (2009)

59% (2001)

64% (1980)

55% (2009)

62% (2005)

57% (2008)

51% (2014)

56% (2010)

63% (2017)

60% (2004)

62% (1985)

71% (2013)

72% (2007)

75% (2023)