74% (2021)

64% (2013)

65% (1999)

59% (2002)

67% (1991)

67% (2020)

63% (2018)

62% (2005)

73% (2012)

79% (1993)

59% (1982)

45% (1976)

64% (2023)

53% (1993)

52% (2015)

70% (2012)

77% (2022)

63% (2022)

77% (2020)

69% (1995)