71% (1970)

70% (2013)

61% (2017)

59% (2015)

34% (1960)

51% (1987)

58% (2003)

45% (2004)

59% (2024)

66% (1977)

58% (1966)

64% (2021)

41% (2002)

37% (1988)

59% (2018)

59% (2022)

60% (2018)

59% (2015)

51% (1963)

58% (2000)