78% (2009)

72% (2005)

75% (2023)

76% (2019)

71% (1987)

55% (2004)

60% (1949)

39% (2009)

57% (2024)

64% (1997)

78% (2025)

52% (1985)

69% (2023)

67% (2003)

48% (1980)

76% (2011)

58% (2011)

63% (2024)

62% (1979)

63% (2001)