77% (2014)

78% (2015)

74% (2015)

68% (2015)

75% (2013)

74% (2005)

72% (2022)

63% (2024)

48% (1977)

73% (1990)

85% (1997)

70% (2018)

71% (1997)

58% (2006)

65% (2016)

65% (2005)

73% (2024)

65% (2025)

53% (1963)

70% (2013)