Year	Dollars
1997-01-01	260884
2002-01-01	611892
2005-01-01	528303
2006-01-01	7103500
2007-01-01	3712371
2008-01-01	2667152
2009-01-01	2186825
2010-01-01	3655194
2011-01-01	4255471
2012-01-01	2318365
2013-01-01	2278320
2014-01-01	3504864
2015-01-01	2253710
2016-01-01	3879857