Year	Dollars
1992-01-01	85166402
1997-01-01	164811515
2002-01-01	248860235
2003-01-01	255620521
2004-01-01	315231326
2005-01-01	311579872
2006-01-01	384021621
2007-01-01	454954197
2008-01-01	418711537
2009-01-01	382060753
2010-01-01	426794044
2011-01-01	529061314
2012-01-01	688941375
2013-01-01	674262967
2014-01-01	553090331
2015-01-01	603856915
2016-01-01	597603060