37% (2007)

42% (2003)

10% (2012)

45% (2006)

32% (2005)

50% (2003)

40% (2006)

33% (2007)

52% (2003)

55% (2002)

20% (2002)

50% (2007)

25% (2000)

18% (2010)

18% (1999)

60% (2004)

48% (2010)

44% (2005)

32% (2006)

40% (2000)