Year	Dollars
1997-01-01	1560470
2002-01-01	1648521
2003-01-01	818430
2004-01-01	517487
2005-01-01	312251
2006-01-01	1236778
2007-01-01	4378690
2008-01-01	3228732
2009-01-01	2714300
2010-01-01	2033280
2011-01-01	4302047
2012-01-01	5953184
2013-01-01	3560602
2014-01-01	4444905
2015-01-01	2358994
2016-01-01	5062659