60% (2011)

100% (2004)

55% (2000)

0% (1999)

0% (1996)

0% (1994)

0% (2009)

50% (1998)

0% (2006)

0% (1995)

30% (2005)

0% (2008)

10% (1995)

65% (2008)

0% (2009)

0% (2011)

80% (1996)

0% (1998)

0% (2001)

20% (2004)