55% (2007)

60% (2023)

56% (1972)

42% (1982)

67% (1994)

58% (2021)

54% (1966)

58% (2015)

56% (1986)

45% (1982)

49% (1974)

54% (2016)

64% (2014)

62% (2011)

66% (1994)

42% (1978)

36% (1969)

65% (1965)

61% (1957)

61% (1981)