58% (2012)

62% (2013)

58% (2002)

60% (1984)

56% (1968)

62% (2011)

52% (2008)

57% (2011)

45% (2004)

48% (2006)

50% (2003)

86% (2021)

62% (1971)

49% (1982)

76% (1970)

65% (1976)

56% (1975)

65% (1980)

52% (1961)

51% (1975)