Year	Dollars
1992-01-01	1389601
1997-01-01	7561200
2002-01-01	1915123
2003-01-01	1049546
2004-01-01	4243342
2005-01-01	3401238
2006-01-01	4231079
2007-01-01	4876965
2008-01-01	3271704
2009-01-01	4495986
2010-01-01	5067374
2011-01-01	5282253
2012-01-01	3823854
2013-01-01	3153284
2014-01-01	2178917
2015-01-01	4256568
2016-01-01	4332953