70% (2008)

56% (2005)

65% (2008)

59% (2011)

53% (2003)

55% (2004)

40% (2005)

61% (2009)

53% (2005)

61% (2009)

55% (2003)

61% (2003)

47% (2010)

53% (2011)

59% (2009)

50% (2006)

43% (2010)

62% (2003)

54% (2006)

55% (2006)