Year	Dollars
1992-01-01	8568047
1997-01-01	12614708
2002-01-01	8924365
2003-01-01	13766419
2004-01-01	7011822
2005-01-01	11891192
2006-01-01	12089688
2007-01-01	15617277
2008-01-01	18496377
2009-01-01	38551425
2010-01-01	38950374
2011-01-01	65284108
2012-01-01	29484748
2013-01-01	69366441
2014-01-01	21397890
2015-01-01	17323706
2016-01-01	27955693