73% (1941)

51% (2000)

63% (1991)

65% (1980)

63% (2010)

56% (1991)

61% (1996)

69% (1986)

56% (2004)

63% (1989)

56% (2012)

64% (1995)

63% (1976)

59% (1980)

51% (1994)

59% (1964)

0% (2025)

60% (1996)

66% (1976)

61% (1995)