68% (1980)

62% (2010)

70% (2011)

56% (2006)

47% (1956)

60% (2022)

54% (2017)

55% (2002)

47% (1998)

60% (1963)

0% (2006)

77% (1975)

56% (1993)

74% (1938)

70% (1968)

10% (1955)

0% (2016)

0% (1970)

55% (1963)

55% (2000)