Year	Dollars
1997-01-01	649803
2002-01-01	331351
2003-01-01	256621
2004-01-01	3179720
2005-01-01	1676047
2006-01-01	640706
2007-01-01	860522
2008-01-01	1001963
2009-01-01	1154020
2010-01-01	1853364
2011-01-01	2139325
2012-01-01	1973693
2013-01-01	2503115
2014-01-01	661535
2015-01-01	4154496