Year	Dollars
1997-01-01	2106164
2002-01-01	3658146
2003-01-01	1620013
2004-01-01	1688751
2005-01-01	3125468
2006-01-01	3720781
2007-01-01	5291693
2008-01-01	9347360
2009-01-01	5472715
2010-01-01	3921645
2011-01-01	7828879
2012-01-01	8151680
2013-01-01	5688343
2014-01-01	6869494
2015-01-01	5077812
2016-01-01	4368839