Year	Dollars
1992-01-01	587473350
1997-01-01	1184939403
2002-01-01	1177337742
2003-01-01	1264046546
2004-01-01	1581798259
2005-01-01	1914706205
2006-01-01	2284634826
2007-01-01	2416984174
2008-01-01	2385827895
2009-01-01	1564935748
2010-01-01	1982316265
2011-01-01	2209050461
2012-01-01	2504969697
2013-01-01	2396836683
2014-01-01	2307465506
2015-01-01	2052932131
2016-01-01	1676493114