Year	Dollars
1997-01-01	439708
2002-01-01	614469
2003-01-01	541660
2004-01-01	4306055
2005-01-01	2418475
2006-01-01	1296558
2007-01-01	1381587
2008-01-01	1462933
2010-01-01	1543187
2011-01-01	2561550
2012-01-01	1768941
2013-01-01	1927185
2014-01-01	2326179
2015-01-01	1192728
2016-01-01	1141043