43% (2005)

59% (2008)

44% (2009)

53% (2005)

52% (2008)

57% (2006)

61% (2006)

68% (2002)

46% (2005)

45% (2002)

48% (2000)

50% (2012)

54% (2007)

55% (2006)

51% (2010)

44% (2006)