Year	Dollars
1992-01-01	6542064
1997-01-01	5408002
2002-01-01	2192721
2003-01-01	2266625
2004-01-01	3263926
2005-01-01	4083205
2006-01-01	3191456
2007-01-01	4290272
2008-01-01	5266013
2009-01-01	6059779
2010-01-01	6034934
2011-01-01	6394867
2012-01-01	3552381
2013-01-01	4918300
2014-01-01	4480911
2015-01-01	4634496
2016-01-01	6046818