Year	Dollars
1992-01-01	116443973
1997-01-01	190571866
2002-01-01	183703621
2003-01-01	274303659
2004-01-01	351941601
2005-01-01	425727563
2006-01-01	452863669
2007-01-01	559680806
2008-01-01	407733816
2009-01-01	274421502
2010-01-01	582612272
2011-01-01	519164289
2012-01-01	458353493
2013-01-01	549085093
2014-01-01	591833353
2015-01-01	453831206
2016-01-01	495807328