Year	Percent
1993-01-01	874.24572038018800
1994-01-01	307.72263555319300
1995-01-01	197.41426808425100
1996-01-01	47.75201220099390
1997-01-01	14.76132926880600
1998-01-01	27.68567980767430
1999-01-01	85.74649409606360
2000-01-01	20.79876065587030
2001-01-01	21.47700721171590
2002-01-01	15.78873079144620
2003-01-01	13.66329302286670
2004-01-01	10.88861573262160
2005-01-01	12.68530395073490
2006-01-01	9.66865454789265
2007-01-01	9.00729868861076
2008-01-01	14.11076778404420
2009-01-01	11.64732957641180
2010-01-01	6.84939230255030
2011-01-01	8.44046485932559
2012-01-01	5.07474300799150
2013-01-01	6.75466833903486
2014-01-01	7.82016970013850
2015-01-01	15.53439599357010
2016-01-01	7.04243725413710
2017-01-01	3.68333072334493