Year	Dollars
1997-01-01	33338
2002-01-01	182215
2004-01-01	446278
2005-01-01	659113
2006-01-01	307347
2007-01-01	1429566
2008-01-01	2323271
2009-01-01	1201789
2010-01-01	2107601
2011-01-01	1842374
2012-01-01	2296304
2013-01-01	2745371
2014-01-01	4129243
2015-01-01	2187679
2016-01-01	6537778