71% (2023)

65% (2004)

49% (2007)

65% (2010)

61% (2019)

70% (2015)

73% (1991)

73% (1987)

59% (2016)

69% (2018)

78% (2021)

75% (2005)

70% (2001)

69% (2024)

54% (2009)

75% (2016)

58% (2015)

68% (2012)

36% (1961)

72% (2005)