79% (2021)

70% (2012)

69% (2020)

73% (2007)

81% (2005)

58% (2014)

51% (2009)

83% (2005)

31% (1998)

64% (2015)

76% (2015)

43% (2000)

85% (2011)

77% (2003)

64% (1996)

85% (2018)

79% (2025)

69% (1984)

80% (1999)

68% (1981)