74% (2003)

77% (2014)

67% (2001)

72% (2015)

72% (2013)

49% (2008)

78% (2016)

60% (2020)

68% (2016)

66% (2021)

73% (1997)

71% (2006)

59% (2013)

69% (2010)

69% (2022)

76% (2022)

70% (1986)

70% (2023)

69% (2008)

69% (1986)