50% (2008)

50% (2003)

72% (2014)

20% (2011)

42% (2002)

20% (2002)

20% (1997)

20% (2000)

40% (2005)

50% (1996)

45% (2007)

20% (1998)

20% (1993)

0% (2002)

20% (2004)

0% (2007)

30% (1999)

0% (1994)

40% (1996)

0% (2006)