Year	Dollars
1992-01-01	13107
1997-01-01	622984
2002-01-01	315860
2003-01-01	122163
2004-01-01	333932
2005-01-01	731026
2006-01-01	1373409
2007-01-01	2389951
2008-01-01	3642398
2009-01-01	2064790
2010-01-01	1427488
2011-01-01	1836587
2012-01-01	2047426
2013-01-01	2058956
2014-01-01	4249726
2015-01-01	4615008
2016-01-01	4921925