68% (2002)

62% (1968)

71% (2013)

70% (1981)

68% (2000)

66% (2004)

52% (2008)

54% (1953)

52% (1966)

40% (2022)

56% (2011)

52% (1986)

61% (2019)

66% (1997)

54% (1958)

53% (2008)

38% (1985)

57% (1988)

64% (1993)

54% (1983)