Year	Dollars
1997-01-01	28232
2002-01-01	132975
2003-01-01	302169
2004-01-01	551483
2005-01-01	652369
2006-01-01	821900
2007-01-01	1894476
2008-01-01	1338328
2009-01-01	747919
2010-01-01	2717657
2011-01-01	2113252
2012-01-01	1185824
2013-01-01	538649
2014-01-01	1540532
2015-01-01	829862
2016-01-01	1757593