71% (1994)

58% (1998)

68% (1996)

44% (1999)

64% (1994)

46% (1992)

74% (1996)

0% (1965)

0% (1994)

56% (1999)

67% (1994)

66% (1994)

50% (1996)

20% (1964)

67% (1994)

0% (1994)

0% (1994)

35% (2001)

0% (1989)

0% (1988)