52% (2004)

40% (2007)

52% (2008)

10% (2004)

35% (2005)

55% (2007)

49% (2010)

43% (2004)

64% (2006)

61% (2009)

53% (2009)

64% (2007)

33% (2011)

50% (2009)

51% (2008)

40% (2004)

52% (2006)

54% (2008)

37% (2002)

40% (2008)