Year	Dollars
1997-01-01	1524623
2002-01-01	822166
2003-01-01	696455
2004-01-01	739895
2005-01-01	1804918
2006-01-01	3190457
2007-01-01	1841563
2008-01-01	5955569
2009-01-01	3866315
2010-01-01	3155015
2011-01-01	4359245
2012-01-01	5720393
2013-01-01	5526989
2014-01-01	4235420
2015-01-01	4462669
2016-01-01	3122812