67% (1952)

57% (2005)

70% (1998)

62% (1970)

60% (1986)

60% (1995)

60% (1992)

69% (1956)

64% (1971)

30% (1999)

62% (1998)

73% (2015)

75% (1976)

0% (1998)

50% (2001)

65% (2002)

53% (2012)

70% (1992)

65% (1955)

76% (2015)