Year	Dollars
1997-01-01	554125
2002-01-01	980433
2003-01-01	1082396
2004-01-01	1807296
2005-01-01	1830588
2006-01-01	3850204
2007-01-01	6970452
2008-01-01	3285620
2009-01-01	3160526
2010-01-01	2935020
2011-01-01	4022861
2012-01-01	3208080
2013-01-01	4853438
2014-01-01	4070251
2015-01-01	3724553
2016-01-01	3387066