Year	Dollars
1997-01-01	154044
2002-01-01	61685
2004-01-01	96392
2005-01-01	33144
2006-01-01	245730
2008-01-01	543849
2009-01-01	453617
2012-01-01	3012700
2013-01-01	1716281
2014-01-01	2417653
2015-01-01	2371153
2016-01-01	2916309