54% (1995)

72% (1989)

57% (1971)

66% (2010)

70% (1982)

0% (1977)

62% (1992)

20% (1978)

54% (1976)

67% (1968)

72% (2006)

50% (2004)

57% (1985)

62% (2015)

60% (1991)

54% (1997)

48% (2006)

41% (2000)

53% (1977)

50% (1980)