71% (2003)

68% (2018)

73% (2020)

54% (1997)

64% (2023)

60% (2022)

60% (1999)

66% (2023)

58% (2011)

72% (2021)

44% (1970)

61% (2008)

65% (2009)

67% (2016)

75% (1935)

64% (2004)

76% (2023)

48% (2012)

45% (2002)

45% (1977)