68% (2021)

69% (2018)

53% (2011)

59% (1999)

73% (1993)

53% (2000)

61% (2020)

69% (2004)

61% (2016)

74% (1967)

70% (2005)

75% (2024)

80% (2024)

64% (2024)

77% (2003)

70% (1963)

71% (2010)

65% (1970)

41% (2009)

79% (2015)