53% (2009)

52% (2005)

35% (2004)

49% (2005)

51% (2005)

51% (2006)

35% (2006)

47% (2005)

40% (2006)

50% (2005)

36% (2006)

56% (2006)

37% (2002)

52% (2009)

54% (2008)

16% (2003)

47% (2008)

40% (2008)

10% (2004)

48% (2007)