Year	Dollars
1997-01-01	307212
2002-01-01	490047
2003-01-01	314013
2004-01-01	474590
2005-01-01	1081567
2006-01-01	978648
2007-01-01	626177
2008-01-01	867878
2009-01-01	1643790
2010-01-01	2337382
2011-01-01	3507617
2012-01-01	5023149
2013-01-01	3434157
2014-01-01	4399661
2015-01-01	3708447
2016-01-01	3817879