46% (2008)

10% (1997)

0% (1996)

65% (1999)

100% (2013)

53% (2007)

47% (1999)

46% (2005)

50% (1998)

62% (2008)

0% (2004)

20% (2005)

0% (1999)

46% (2008)

0% (1998)

0% (1997)

30% (1995)

47% (2005)

0% (1995)

5% (2001)