Year	Dollars
1992-01-01	11864812
1997-01-01	34545597
2002-01-01	94566984
2003-01-01	128699629
2004-01-01	234431310
2005-01-01	228555431
2006-01-01	232231216
2007-01-01	323764446
2008-01-01	454624643
2009-01-01	355635946
2010-01-01	460548815
2011-01-01	1113193907
2012-01-01	1611209526
2013-01-01	2153982352
2014-01-01	1717215576
2015-01-01	1482582487
2016-01-01	1448147924