Year	Dollars
1992-01-01	2357028046
1997-01-01	2336962030
2002-01-01	4045529303
2003-01-01	3712491912
2004-01-01	4178479257
2005-01-01	5278662113
2006-01-01	6171828174
2007-01-01	7319332857
2008-01-01	9605757974
2009-01-01	9688140173
2010-01-01	12322407251
2011-01-01	17333319770
2012-01-01	16647545303
2013-01-01	11821913339
2014-01-01	11007098608
2015-01-01	11478513830
2016-01-01	10102641091