Year	Dollars
1997-01-01	1686539
2002-01-01	1027684
2003-01-01	1571952
2004-01-01	1369170
2005-01-01	876069
2006-01-01	1502001
2007-01-01	1855778
2008-01-01	2334542
2009-01-01	2210323
2010-01-01	1525592
2011-01-01	3700251
2012-01-01	3270921
2013-01-01	3992012
2014-01-01	6594030
2015-01-01	7879991
2016-01-01	5632603