Year	Dollars
1997-01-01	153977
2002-01-01	2138417
2003-01-01	630562
2004-01-01	471196
2005-01-01	1278621
2006-01-01	2002668
2007-01-01	2442484
2008-01-01	1382391
2009-01-01	1518846
2010-01-01	2582176
2011-01-01	3065017
2012-01-01	3918314
2013-01-01	3474170
2014-01-01	6284275
2015-01-01	2864880
2016-01-01	1917716