72% (1998)

61% (1996)

54% (2019)

54% (2020)

62% (2022)

52% (1985)

44% (1985)

57% (2018)

72% (2017)

76% (2013)

63% (2000)

63% (1994)

73% (2015)

64% (2004)

50% (2010)

69% (1979)

72% (1961)

70% (2017)

59% (1986)

60% (2023)