Year	Percent
2000-01-01	14.62371209820780
2001-01-01	13.01181031297000
2002-01-01	11.21851957202260
2003-01-01	10.35087640971650
2004-01-01	10.13927773053450
2005-01-01	8.03342541821007
2006-01-01	5.91405890887250
2007-01-01	4.59213399598366
2008-01-01	5.43453118543838
2009-01-01	13.54690709596390
2010-01-01	16.70261514900490
2011-01-01	12.33336555481030
2012-01-01	10.02365636921340
2013-01-01	8.63153631701391
2014-01-01	7.35554289707062
2015-01-01	6.19196635431743
2016-01-01	6.75303943079108
2017-01-01	5.76279302622114