Year	Dollars
1992-01-01	1646898
1997-01-01	3624177
2002-01-01	7200204
2003-01-01	3858723
2004-01-01	3025719
2005-01-01	3213502
2006-01-01	6922709
2007-01-01	10571830
2008-01-01	3449861
2009-01-01	9844629
2010-01-01	4368613
2011-01-01	2986653
2012-01-01	3920402
2013-01-01	3718952
2014-01-01	3962360
2015-01-01	7650695
2016-01-01	18053525