Year	Dollars
1997-01-01	70815
2002-01-01	173364
2003-01-01	685658
2004-01-01	387617
2006-01-01	584537
2007-01-01	553985
2008-01-01	1388753
2009-01-01	1452921
2010-01-01	1044677
2011-01-01	1407957
2012-01-01	1468987
2013-01-01	2367492
2014-01-01	862650
2015-01-01	2299072
2016-01-01	2235493