Year	Dollars
1992-01-01	4862748
1997-01-01	14434937
2002-01-01	13495581
2003-01-01	23011739
2004-01-01	13298590
2005-01-01	20346794
2006-01-01	35303181
2007-01-01	138905905
2008-01-01	68616664
2009-01-01	38856661
2010-01-01	59611331
2011-01-01	103412529
2012-01-01	122001555
2013-01-01	86648516
2014-01-01	103138617
2015-01-01	159402563
2016-01-01	82383135