64% (1988)

72% (2013)

0% (2025)

45% (1992)

45% (1987)

59% (1984)

50% (1995)

50% (2010)

47% (1998)

56% (1999)

44% (1985)

53% (1985)

37% (2001)

0% (1970)

54% (2005)

52% (1986)

55% (1985)

0% (1984)

0% (1982)

60% (1978)