Year	Dollars
1997-01-01	476063
2002-01-01	824980
2003-01-01	1667230
2004-01-01	1414441
2005-01-01	1891497
2006-01-01	7684581
2007-01-01	10397558
2008-01-01	7679717
2009-01-01	2605278
2010-01-01	2669573
2011-01-01	5982875
2012-01-01	7589798
2013-01-01	13516102
2014-01-01	8493630
2015-01-01	4906586
2016-01-01	5935038