47% (1990)

72% (1974)

0% (1995)

60% (1972)

72% (1994)

50% (1986)

50% (2006)

50% (1997)

0% (1996)

60% (1993)

0% (1996)

50% (1985)

60% (1974)

30% (2008)

0% (1983)

0% (1965)

55% (1982)

0% (1989)

0% (1965)

61% (1984)