Year	Dollars
1997-01-01	1113272
2002-01-01	1517822
2003-01-01	701756
2004-01-01	1573476
2005-01-01	2204407
2006-01-01	4803529
2007-01-01	4161960
2008-01-01	6511596
2009-01-01	5354251
2010-01-01	8821196
2011-01-01	9471225
2012-01-01	5087771
2013-01-01	6205845
2014-01-01	8645551
2015-01-01	4347377
2016-01-01	4067713