Year	Dollars
1992-01-01	395325
1997-01-01	1927306
2002-01-01	4318304
2003-01-01	3635119
2004-01-01	7754801
2005-01-01	6615767
2006-01-01	4615167
2007-01-01	21378917
2008-01-01	132544557
2009-01-01	14196354
2010-01-01	54186706
2011-01-01	81060542
2012-01-01	98333288
2013-01-01	129957670
2014-01-01	127431432
2015-01-01	76059883
2016-01-01	38524603