67% (1976)

81% (2013)

53% (1977)

47% (2006)

60% (1975)

66% (2010)

39% (1980)

56% (2011)

64% (1970)

70% (1961)

55% (2003)

65% (1969)

56% (1956)

53% (1970)

59% (1972)

51% (2009)

0% (2024)

60% (2015)

65% (1963)

53% (1998)