Year	Dollars
1997-01-01	817226
2002-01-01	2870169
2003-01-01	2204218
2004-01-01	1593410
2005-01-01	2302061
2006-01-01	3364968
2007-01-01	3741671
2008-01-01	6280815
2009-01-01	4112898
2010-01-01	2605579
2011-01-01	5595583
2012-01-01	5385000
2013-01-01	10590990
2014-01-01	12947476
2015-01-01	22671244
2016-01-01	7589618