63% (2018)

30% (1972)

76% (1980)

55% (1995)

62% (2015)

81% (1961)

63% (1983)

65% (1998)

64% (1996)

61% (1950)

69% (1999)

51% (2009)

49% (1987)

69% (2017)

48% (1993)

76% (1995)

61% (2006)

73% (2010)

54% (2009)

60% (2011)