Year	Dollars
1997-01-01	318588
2002-01-01	219098
2003-01-01	292375
2004-01-01	182569
2005-01-01	238372
2006-01-01	454294
2007-01-01	426109
2008-01-01	1224832
2009-01-01	461953
2010-01-01	662763
2011-01-01	1775741
2012-01-01	3034685
2013-01-01	4039134
2014-01-01	1418430
2015-01-01	2180204
2016-01-01	2125719