Year	Percent
2003-01-01	1.55038759689922
2004-01-01	1.89959294436906
2005-01-01	1.83938986092418
2006-01-01	1.77105831533477
2007-01-01	1.79181947372502
2008-01-01	2.24235139585960
2009-01-01	2.36564203061213
2010-01-01	2.02708930914250
2011-01-01	2.04511936822700
2012-01-01	2.43931160005407
2013-01-01	2.96193391513146