69% (2014)

62% (1997)

54% (2021)

71% (2020)

62% (2008)

65% (1985)

62% (1983)

84% (2007)

68% (2005)

69% (2013)

67% (2006)

72% (2014)

57% (2018)

59% (2011)

59% (2009)

55% (2013)

82% (1959)

68% (2023)

70% (2024)

59% (2010)