50% (2013)

71% (1988)

63% (1990)

0% (1988)

47% (1990)

60% (2005)

41% (1990)

64% (1995)

51% (2003)

56% (1994)

0% (2006)

19% (1992)

30% (1989)

0% (1995)

0% (1993)

51% (1995)

47% (1991)

60% (2000)

45% (1991)

0% (1999)