Year	Dollars
1997-01-01	3488685
2003-01-01	2846631
2004-01-01	8917763
2005-01-01	6068146
2006-01-01	2811299
2007-01-01	1953653
2008-01-01	3209179
2009-01-01	1434132
2012-01-01	5226579
2013-01-01	2524439
2014-01-01	22216698
2015-01-01	16867237
2016-01-01	7290351