Year	Dollars
1997-01-01	61791
2002-01-01	438072
2003-01-01	447438
2004-01-01	270297
2005-01-01	223069
2006-01-01	967913
2007-01-01	772245
2008-01-01	2139122
2009-01-01	1338414
2010-01-01	1198813
2011-01-01	5969555
2012-01-01	7313397
2016-01-01	21314879