46% (2008)

0% (1996)

53% (2007)

46% (2005)

0% (1999)

47% (1999)

0% (1997)

10% (1997)

47% (2005)

0% (1999)

0% (2004)

5% (2001)

0% (1998)

0% (1996)

0% (2004)

62% (2008)

30% (1995)

65% (1999)

20% (2005)

100% (2013)