Year	Dollars
1997-01-01	450926
2002-01-01	154151
2003-01-01	206701
2004-01-01	417165
2005-01-01	754344
2006-01-01	863204
2007-01-01	801035
2008-01-01	2669864
2009-01-01	1190251
2010-01-01	2290276
2011-01-01	3179375
2012-01-01	2614612
2013-01-01	2772546
2014-01-01	2977738
2015-01-01	2551548
2016-01-01	2339318