Year	Dollars
1997-01-01	1208964
2002-01-01	1839943
2004-01-01	4666008
2005-01-01	5652972
2007-01-01	4139467
2009-01-01	5320425
2010-01-01	5291948
2011-01-01	5020226
2012-01-01	10197387
2013-01-01	5223215
2014-01-01	6486907
2015-01-01	4114504
2016-01-01	3080249