80% (1994)

20% (1993)

0% (1997)

0% (2007)

0% (2005)

10% (1997)

73% (1986)

54% (2017)

0% (1987)

0% (2003)

0% (2004)

56% (2003)

55% (1998)

50% (1994)

25% (1977)

54% (2011)

0% (2009)

72% (1989)

41% (1998)

47% (2007)