Year	Dollars
1997-01-01	140930
2002-01-01	104154
2003-01-01	70786
2004-01-01	84973
2005-01-01	68133
2006-01-01	251756
2007-01-01	556208
2008-01-01	771158
2009-01-01	1007325
2010-01-01	1912612
2011-01-01	446507
2012-01-01	861113
2013-01-01	2939201
2014-01-01	2358792
2015-01-01	1078648