63% (1981)

63% (2014)

57% (1989)

55% (1967)

68% (1972)

61% (2006)

71% (2010)

75% (2002)

56% (1999)

58% (2009)

57% (2005)

65% (2014)

58% (1995)

50% (2003)

45% (2000)

50% (1972)

58% (2024)

58% (1997)

40% (1957)

60% (1971)