Year	Dollars
1997-01-01	833459
2002-01-01	280872
2003-01-01	275579
2004-01-01	200474
2005-01-01	143926
2006-01-01	183117
2007-01-01	400119
2008-01-01	1327301
2009-01-01	1736166
2010-01-01	935553
2011-01-01	2495992
2012-01-01	4684384
2013-01-01	5761271
2014-01-01	4321045
2015-01-01	6700854
2016-01-01	5101536