68% (2016)

61% (2007)

77% (1961)

68% (2002)

58% (2015)

72% (1968)

62% (1999)

59% (2011)

72% (2010)

61% (1995)

62% (2001)

81% (1952)

72% (1998)

0% (2015)

77% (2012)

77% (1987)

68% (1998)

62% (2007)

67% (2017)

78% (1977)