Year	Dollars
1997-01-01	728255
2002-01-01	393625
2003-01-01	321438
2004-01-01	433294
2005-01-01	265250
2006-01-01	1193111
2008-01-01	653939
2009-01-01	1335162
2010-01-01	3313605
2011-01-01	742743
2012-01-01	1700684
2013-01-01	3377957
2014-01-01	1214513
2015-01-01	657205
2016-01-01	1130161