Year	Dollars
1997-01-01	791619
2002-01-01	379888
2003-01-01	434454
2004-01-01	1104372
2005-01-01	231960
2006-01-01	460054
2007-01-01	1502188
2008-01-01	3262771
2009-01-01	2659540
2010-01-01	4770690
2011-01-01	3327540
2012-01-01	3285855
2013-01-01	3078002
2014-01-01	5324028
2015-01-01	4156274
2016-01-01	4339590