72% (1989)

70% (1981)

0% (1988)

62% (1986)

67% (1982)

68% (2009)

37% (2005)

90% (2007)

0% (1987)

100% (1990)

55% (1992)

59% (1988)

0% (1987)

64% (2001)

70% (1980)

53% (1992)

64% (1989)

61% (1987)

0% (2005)

42% (1981)