Year	Dollars
1992-01-01	2406198
1997-01-01	887908
2002-01-01	2240796
2003-01-01	1929052
2004-01-01	12429851
2005-01-01	3552258
2006-01-01	5931266
2007-01-01	11437613
2008-01-01	13276256
2009-01-01	44197190
2010-01-01	20776403
2011-01-01	50390396
2012-01-01	60029242
2013-01-01	22143783
2014-01-01	31835569
2015-01-01	53616719
2016-01-01	20548985