Year	Dollars
1997-01-01	2083288
2002-01-01	4330338
2003-01-01	3024263
2004-01-01	3817323
2005-01-01	5308730
2006-01-01	8174604
2007-01-01	11864848
2008-01-01	16220884
2009-01-01	15095353
2010-01-01	10256056
2011-01-01	11709828
2012-01-01	20192385
2013-01-01	9184104
2014-01-01	17803938
2015-01-01	22514306
2016-01-01	13302418