Year	Dollars
1992-01-01	157395
1997-01-01	490188
2002-01-01	148337
2003-01-01	311324
2004-01-01	989618
2005-01-01	937934
2006-01-01	3722865
2007-01-01	6803317
2008-01-01	10118575
2009-01-01	4014197
2010-01-01	6177964
2011-01-01	8261453
2012-01-01	6554931
2013-01-01	5457891
2014-01-01	6901857
2015-01-01	4927625
2016-01-01	3388912