50% (1998)

54% (1996)

72% (2016)

73% (1999)

68% (2016)

68% (2009)

69% (2010)

71% (1994)

68% (2009)

73% (1985)

67% (1994)

69% (2018)

70% (2008)

80% (1986)

72% (2019)

84% (1957)

61% (1983)

69% (1985)

71% (2014)

72% (2013)