64% (1996)

69% (2005)

30% (2001)

79% (2014)

43% (1947)

71% (2010)

67% (1968)

61% (1970)

62% (1980)

74% (1983)

70% (2004)

71% (1990)

59% (2016)

0% (2018)

55% (1979)

62% (1953)

73% (1988)

58% (2015)

0% (1996)

52% (1996)