65% (2000)

63% (1997)

69% (2006)

41% (2010)

59% (1990)

71% (1946)

48% (2008)

69% (1964)

63% (1975)

71% (1965)

54% (1997)

52% (2005)

63% (2005)

57% (1990)

62% (2000)

55% (2019)

59% (2019)

63% (2016)

63% (2016)

50% (2016)