47% (1990)

0% (1995)

55% (1982)

73% (1974)

50% (1997)

0% (1996)

60% (1972)

50% (2006)

0% (1972)

50% (1985)

61% (1984)

0% (1996)

72% (1994)

60% (1993)

50% (1986)

30% (2008)

0% (1965)

0% (1969)

70% (1995)

0% (1983)