20% (1986)

45% (1995)

20% (1994)

45% (1999)

0% (1972)

47% (2005)

52% (1988)

35% (1971)

60% (1989)

58% (1971)

20% (1996)

51% (1992)

35% (2005)

29% (1984)

60% (1994)

62% (2018)

50% (1980)

60% (1994)

40% (2002)

0% (1972)