Year	Dollars
1992-01-01	143342
1997-01-01	67268
2002-01-01	160480
2003-01-01	417959
2005-01-01	796752
2010-01-01	372851
2011-01-01	1681690
2012-01-01	38472841
2013-01-01	648366
2014-01-01	165932
2015-01-01	811454