Year	Dollars
1997-01-01	1778192
2002-01-01	659086
2003-01-01	1782265
2004-01-01	2877256
2005-01-01	2286391
2006-01-01	4959698
2007-01-01	11076156
2008-01-01	5346950
2009-01-01	2868656
2010-01-01	3684252
2011-01-01	3516395
2012-01-01	3600112
2013-01-01	5727281
2014-01-01	13591634
2015-01-01	18130395
2016-01-01	13859917