Year	Dollars
1997-01-01	95292
2002-01-01	179348
2003-01-01	135338
2004-01-01	1009134
2005-01-01	641290
2006-01-01	1332397
2007-01-01	361304
2008-01-01	1080717
2009-01-01	1002848
2010-01-01	1648218
2011-01-01	2127704
2012-01-01	1947463
2013-01-01	3643596
2014-01-01	6217789
2015-01-01	17532598
2016-01-01	6406730