68% (1977)

69% (2018)

58% (2013)

62% (2007)

95% (1986)

55% (2016)

30% (2016)

64% (1967)

55% (2023)

48% (1993)

56% (2000)

53% (1994)

61% (2017)

52% (2004)

70% (2005)

37% (2014)

51% (2000)

57% (2020)

57% (2024)

64% (1978)