Year	Dollars
1992-01-01	2518816
1997-01-01	9398125
2002-01-01	5990563
2003-01-01	6287241
2004-01-01	10095640
2005-01-01	9217964
2006-01-01	9993468
2007-01-01	24488981
2008-01-01	50465613
2009-01-01	20685593
2010-01-01	74705398
2011-01-01	60978169
2012-01-01	44365157
2013-01-01	96073408
2014-01-01	70991201
2015-01-01	85508823
2016-01-01	151304003