Year	Dollars
1997-01-01	1152591
2002-01-01	2448918
2003-01-01	7115336
2004-01-01	6627748
2005-01-01	7042467
2006-01-01	19247704
2007-01-01	7602383
2008-01-01	11590010
2009-01-01	10506159
2010-01-01	9588399
2011-01-01	13851628
2012-01-01	11711786
2013-01-01	8496608
2014-01-01	10492412
2015-01-01	12819798
2016-01-01	11714134