50% (2010)

100% (2004)

40% (2000)

25% (1999)

38% (1993)

61% (2002)

55% (2000)

0% (2002)

0% (2002)

0% (2008)

30% (2005)

0% (2005)

0% (1993)

0% (2001)

0% (2009)

0% (2005)

0% (1996)

0% (1998)

0% (2004)

0% (1993)