Year	Dollars
1997-01-01	322227
2002-01-01	707316
2003-01-01	252688
2004-01-01	329276
2005-01-01	528116
2006-01-01	1043657
2007-01-01	277921
2008-01-01	1423869
2009-01-01	682535
2010-01-01	368075
2011-01-01	697959
2012-01-01	677174
2013-01-01	3746070
2014-01-01	1299224
2015-01-01	2954855
2016-01-01	655472