52% (2008)

45% (2001)

60% (2010)

23% (2012)

30% (2004)

20% (2002)

0% (2011)

37% (1996)

64% (2011)

45% (2010)

53% (2002)

10% (2007)

50% (2011)

53% (2000)

0% (2007)

10% (2004)

25% (2001)

10% (2006)

48% (2009)

42% (2002)