Year	Dollars
1997-01-01	950845
2002-01-01	2471914
2003-01-01	197662
2004-01-01	542688
2005-01-01	699970
2006-01-01	1451775
2007-01-01	2099997
2008-01-01	2374867
2009-01-01	2728486
2010-01-01	1772461
2011-01-01	1500946
2012-01-01	2162717
2013-01-01	4112759
2014-01-01	3007402
2015-01-01	2809184
2016-01-01	3541982