Year	Dollars
1992-01-01	876840
1997-01-01	243217
2002-01-01	1117244
2003-01-01	1601765
2004-01-01	646768
2005-01-01	2505621
2006-01-01	2536189
2007-01-01	3259310
2008-01-01	6996823
2009-01-01	5196413
2010-01-01	5407594
2011-01-01	8714405
2012-01-01	11066786
2013-01-01	10585260
2014-01-01	16370897
2015-01-01	18942850
2016-01-01	20800839