50% (2008)

100% (1989)

38% (1994)

46% (2010)

45% (1994)

20% (1999)

52% (2006)

67% (1996)

42% (1995)

43% (1989)

60% (1994)

42% (1993)

25% (1992)

46% (1990)

43% (1995)

45% (1995)

60% (2013)

41% (1993)

0% (1988)

55% (1994)