70% (1987)

54% (2011)

62% (1998)

67% (1996)

61% (2001)

50% (2025)

62% (1979)

20% (1978)

61% (2000)

67% (1972)

72% (1989)

56% (1976)

72% (2004)

62% (2005)

68% (2019)

48% (1982)

52% (1977)

63% (2010)

53% (1991)

59% (2006)