60% (1977)

70% (2000)

59% (2004)

68% (2004)

57% (2021)

56% (2013)

63% (2014)

68% (2011)

63% (2009)

73% (1991)

64% (1975)

60% (2016)

61% (1973)

70% (2015)

61% (2001)

69% (2019)

72% (2019)

76% (2019)

54% (1978)

56% (2017)