Year	Dollars
1992-01-01	91197827
1997-01-01	136186047
2002-01-01	52975282
2003-01-01	65550330
2004-01-01	102788196
2005-01-01	149262837
2006-01-01	136341962
2007-01-01	198873435
2008-01-01	197148576
2009-01-01	196405316
2010-01-01	356782829
2011-01-01	231669773
2012-01-01	173381546
2013-01-01	237670647
2014-01-01	229537047
2015-01-01	222790352
2016-01-01	198571419