54% (1964)

66% (2000)

57% (2011)

48% (1989)

60% (1999)

53% (2019)

60% (1972)

53% (1987)

68% (1965)

57% (1990)

50% (1971)

54% (2018)

55% (2015)

75% (1963)

58% (1965)

49% (2011)

52% (1972)

59% (1950)

62% (1958)

62% (1987)