Year	Dollars
1997-01-01	998280
2002-01-01	32202
2003-01-01	64543
2004-01-01	36176
2005-01-01	39265
2006-01-01	14901
2007-01-01	102086
2008-01-01	227857
2009-01-01	256252
2010-01-01	711348
2011-01-01	216246
2012-01-01	253658
2013-01-01	110678
2014-01-01	305495
2015-01-01	345791
2016-01-01	502258