Year	Dollars
1992-01-01	181813
1997-01-01	413618
2002-01-01	619171
2004-01-01	1604868
2005-01-01	732287
2006-01-01	1062445
2007-01-01	10669304
2008-01-01	6398752
2009-01-01	3388790
2010-01-01	6279997
2011-01-01	4003813
2012-01-01	17891557
2013-01-01	10055996
2014-01-01	8885301
2015-01-01	5470459