35% (2003)

64% (2009)

65% (2014)

55% (2018)

66% (2001)

0% (1970)

66% (1977)

55% (1987)

37% (2013)

62% (2012)

56% (2013)

57% (2020)

62% (2016)

57% (2016)

56% (1988)

79% (1976)

66% (1985)

73% (2008)

69% (2001)

62% (1994)