Year	Dollars
1992-01-01	38710868
1997-01-01	28424429
2002-01-01	21527222
2003-01-01	16389112
2004-01-01	23700455
2005-01-01	18875387
2006-01-01	35981198
2007-01-01	72619427
2008-01-01	104645977
2009-01-01	124349446
2010-01-01	126904819
2011-01-01	128791700
2012-01-01	120186519
2013-01-01	129121567
2014-01-01	215821878
2015-01-01	114324565
2016-01-01	59140501