85% (2016)

61% (2015)

61% (2015)

77% (2014)

78% (2014)

77% (2013)

55% (2023)

72% (2010)

75% (2008)

30% (1981)

67% (2017)

69% (2021)

49% (2007)

75% (2013)

62% (2013)

70% (2006)

71% (2010)

64% (2016)

82% (2012)

70% (2022)