Year	Dollars
1997-01-01	643137
2002-01-01	1959354
2005-01-01	1591083
2006-01-01	327314
2007-01-01	7777888
2008-01-01	2164513
2009-01-01	3841920
2011-01-01	2366792
2012-01-01	4245260
2013-01-01	6528494
2014-01-01	3740626
2015-01-01	1255647
2016-01-01	982758