40% (2006)

52% (2008)

43% (2007)

47% (2007)

37% (2002)

45% (2005)

50% (2005)

30% (2006)

51% (2006)

40% (2009)

49% (2005)

52% (2005)

48% (2007)

35% (2006)

44% (2006)

52% (2009)

42% (2007)

62% (2006)

64% (2006)

34% (2006)