58% (2012)

63% (1985)

58% (1998)

52% (2008)

59% (1968)

62% (2008)

62% (1968)

63% (1984)

53% (1999)

56% (2008)

68% (1966)

65% (1993)

56% (1993)

62% (1942)

65% (2018)

60% (2020)

55% (2016)

55% (1983)

58% (1993)

30% (1977)