Year	Dollars
1997-01-01	2061087
2002-01-01	4674310
2003-01-01	6106899
2004-01-01	4915029
2005-01-01	7143312
2006-01-01	10212772
2007-01-01	15578605
2008-01-01	4990722
2009-01-01	2459236
2010-01-01	1329505
2011-01-01	1455286
2012-01-01	1763203
2013-01-01	2363071
2014-01-01	3065183
2015-01-01	1828426
2016-01-01	512278