66% (2016)

50% (2014)

72% (2010)

79% (2000)

70% (1981)

60% (1994)

74% (1972)

63% (1996)

54% (1998)

62% (2023)

58% (2023)

68% (2019)

72% (2019)

63% (2017)

71% (2015)

70% (2015)

71% (2015)

61% (2010)

61% (1988)

70% (1968)