Year	Dollars
1992-01-01	1133723
1997-01-01	1969389
2002-01-01	881386
2003-01-01	2459330
2004-01-01	1598755
2005-01-01	2013547
2006-01-01	1932466
2007-01-01	6574556
2008-01-01	6975973
2009-01-01	4802716
2010-01-01	6901310
2011-01-01	13007204
2012-01-01	17677275
2013-01-01	24158279
2014-01-01	24085732
2015-01-01	29426524
2016-01-01	39359210