70% (1997)

50% (2009)

62% (2007)

60% (1987)

69% (2010)

85% (2019)

78% (2018)

74% (2010)

80% (2017)

77% (2010)

69% (2016)

69% (2015)

83% (2004)

67% (2020)

67% (2008)

73% (2020)

72% (2010)

67% (2017)

63% (2012)

73% (2012)