Year	Dollars
1992-01-01	77375274
1997-01-01	58147466
2002-01-01	116950773
2003-01-01	173991140
2004-01-01	270501784
2005-01-01	154804254
2006-01-01	128664313
2007-01-01	302651349
2008-01-01	403033193
2009-01-01	450612832
2013-01-01	508487829
2014-01-01	295062377
2015-01-01	517624830
2016-01-01	460023963