Year	Dollars
1992-01-01	11750672
1997-01-01	15331388
2002-01-01	19268482
2003-01-01	24828456
2004-01-01	21535377
2005-01-01	21428447
2006-01-01	22798084
2007-01-01	19991099
2008-01-01	23445935
2009-01-01	24712131
2010-01-01	35818514
2011-01-01	51185896
2012-01-01	54816966
2013-01-01	64164477
2014-01-01	40179241
2015-01-01	33634913
2016-01-01	27527896