43% (2009)

50% (2009)

16% (2003)

46% (2008)

40% (2002)

57% (2010)

60% (2009)

53% (2008)

64% (2008)

52% (2008)

42% (2009)

50% (2009)

58% (2005)

46% (2007)

48% (2010)

51% (2006)

63% (2007)

44% (2004)

50% (2009)

41% (2007)