Year	Dollars
1997-01-01	653615
2002-01-01	1149704
2003-01-01	774736
2004-01-01	919396
2005-01-01	1611186
2006-01-01	1300952
2007-01-01	2402095
2008-01-01	7418196
2009-01-01	3822923
2010-01-01	9377355
2011-01-01	2367892
2012-01-01	1389622
2013-01-01	2099884
2014-01-01	3014052
2015-01-01	1647811
2016-01-01	2169527