Year	Dollars
1997-01-01	406096
2002-01-01	527704
2003-01-01	667649
2004-01-01	658036
2005-01-01	2621338
2006-01-01	682298
2007-01-01	2863738
2008-01-01	1356378
2009-01-01	682609
2010-01-01	1171455
2011-01-01	1676498
2012-01-01	2061165
2013-01-01	3332769
2014-01-01	4005972
2015-01-01	3508772
2016-01-01	4577463