Year	Dollars
1997-01-01	471269
2002-01-01	1429184
2003-01-01	1614381
2004-01-01	1708396
2005-01-01	1286399
2006-01-01	1997133
2007-01-01	2514912
2008-01-01	2577021
2009-01-01	3566057
2010-01-01	2818892
2011-01-01	4233936
2012-01-01	8127755
2013-01-01	4097750
2014-01-01	3893268
2015-01-01	4916730
2016-01-01	5998834