76% (1977)

58% (2013)

71% (1985)

51% (2018)

46% (2006)

72% (2021)

71% (1970)

60% (1970)

54% (2005)

56% (2015)

50% (2024)

72% (1971)

49% (2013)

78% (2019)

61% (2012)

46% (2010)

65% (2022)

82% (1979)

74% (1982)

67% (1976)