71% (2019)

54% (1983)

70% (1987)

68% (1998)

67% (1980)

69% (2018)

67% (2007)

70% (2010)

80% (2013)

70% (1997)

67% (1980)

70% (2014)

35% (1994)

80% (2009)

32% (1994)

64% (2014)

58% (2004)

74% (2009)

75% (2011)

68% (2003)