60% (1989)

72% (1972)

47% (2004)

60% (1993)

0% (1959)

0% (1982)

25% (1984)

0% (1989)

30% (1999)

0% (2012)

50% (1982)

55% (1990)

20% (1997)

60% (1980)

50% (1969)

70% (1990)

70% (1979)

80% (1964)

60% (1975)

40% (1982)