58% (1996)

82% (2013)

53% (2013)

55% (1974)

37% (2009)

42% (2006)

59% (2012)

58% (2018)

69% (1973)

60% (1968)

56% (1975)

67% (1974)

67% (1957)

73% (1998)

58% (2016)

60% (2012)

76% (1960)

47% (2016)

72% (2009)

34% (2004)