77% (1963)

74% (2004)

70% (2003)

55% (2025)

62% (2005)

71% (1985)

72% (2022)

72% (1968)

67% (1956)

51% (2020)

69% (2010)

61% (2016)

62% (2024)

64% (2024)

65% (2000)

67% (2003)

79% (2002)

60% (1980)

65% (1983)

64% (2008)