0% (1994)

50% (1952)

63% (1990)

50% (1986)

0% (1970)

50% (1975)

50% (1982)

44% (1996)

10% (2006)

65% (1949)

52% (1985)

50% (1978)

40% (2015)

40% (1955)

70% (1992)

40% (2006)

42% (1987)

45% (1981)

64% (1989)

60% (1988)