63% (2015)

58% (2003)

69% (2007)

60% (2007)

44% (2006)

68% (2006)

60% (2006)

55% (2004)

10% (2006)

50% (2003)

20% (2001)

10% (2005)

48% (2009)

30% (2000)

30% (2005)

48% (2001)

0% (2007)

25% (2001)

33% (2001)

10% (2006)