64% (1996)

69% (2005)

76% (1964)

51% (2003)

71% (2010)

79% (2014)

40% (1947)

67% (1968)

73% (1983)

75% (2018)

30% (2001)

44% (1999)

62% (1980)

62% (1953)

70% (1969)

59% (2016)

40% (2020)

73% (1988)

42% (1991)

55% (2011)