50% (2013)

70% (1988)

43% (1991)

63% (1990)

56% (1994)

64% (1995)

51% (1995)

47% (1990)

47% (1991)

29% (1989)

51% (2003)

19% (1992)

41% (1990)

0% (2002)

0% (1988)

0% (1995)

0% (1992)

60% (2000)

60% (2005)

0% (1999)