64% (1988)

10% (1985)

100% (1990)

50% (2003)

60% (2007)

42% (1984)

20% (1992)

20% (1982)

25% (2001)

54% (1988)

0% (1986)

45% (1996)

50% (1989)

45% (1999)

20% (1991)

20% (1998)

35% (1978)

49% (1990)

54% (2012)

50% (1996)