Year	Dollars
1997-01-01	804414
2002-01-01	1494956
2003-01-01	3378638
2004-01-01	2607530
2005-01-01	6295431
2006-01-01	9501576
2007-01-01	9305583
2008-01-01	5611769
2009-01-01	2634924
2010-01-01	2080252
2011-01-01	13443500
2012-01-01	7157881
2013-01-01	6706044
2014-01-01	8131029
2015-01-01	3426792
2016-01-01	4424954