78% (1987)

55% (2003)

54% (2002)

67% (1992)

80% (2016)

74% (1996)

68% (1970)

69% (2011)

52% (2005)

68% (1979)

69% (2009)

64% (1970)

78% (2010)

67% (2005)

82% (2003)

79% (1993)

80% (2008)

68% (2018)

100% (2019)

78% (2014)