45% (2009)

64% (2004)

59% (2011)

51% (2009)

75% (2005)

60% (2010)

59% (2009)

61% (2010)

61% (2011)

52% (2007)

47% (2010)

58% (2010)

64% (2009)

66% (2003)

46% (2008)

57% (2006)

70% (2011)

65% (2010)

50% (2008)

60% (2009)