Year	Dollars
1997-01-01	210318
2002-01-01	167296
2003-01-01	135206
2004-01-01	90640
2005-01-01	600619
2006-01-01	767978
2007-01-01	963517
2008-01-01	1528540
2009-01-01	1448119
2010-01-01	1697439
2011-01-01	910286
2012-01-01	858108
2013-01-01	610450
2014-01-01	1054358
2015-01-01	2140237
2016-01-01	1588062