Year	Dollars
1992-01-01	8160684
1997-01-01	3896216
2002-01-01	9192699
2003-01-01	5290638
2004-01-01	6650843
2005-01-01	7774564
2006-01-01	10620285
2007-01-01	14803048
2008-01-01	16822184
2009-01-01	21154445
2010-01-01	36635053
2011-01-01	33777075
2012-01-01	27580064
2013-01-01	24726958
2014-01-01	29347027
2015-01-01	19622292
2016-01-01	22443756