Year	Dollars
1992-01-01	5484323
1997-01-01	19437217
2002-01-01	18587656
2003-01-01	19074551
2004-01-01	22564046
2005-01-01	25374744
2006-01-01	29923965
2007-01-01	32216335
2008-01-01	25326091
2009-01-01	17924661
2010-01-01	17648483
2011-01-01	19841797
2012-01-01	14607498
2013-01-01	23931483
2014-01-01	20648461
2015-01-01	29236634
2016-01-01	35208192