77% (2025)

78% (2009)

74% (1964)

66% (1964)

60% (1962)

26% (1997)

0% (1961)

72% (2007)

53% (1960)

29% (2001)

58% (2001)

69% (2001)

61% (1982)

50% (2005)

32% (1999)

46% (2006)

70% (1970)

71% (1990)

38% (1965)

48% (2000)