Year	Dollars
1992-01-01	3010641
1997-01-01	6943600
2002-01-01	11854335
2003-01-01	18053858
2004-01-01	23914680
2005-01-01	21743395
2006-01-01	32022297
2007-01-01	35432791
2008-01-01	27384328
2009-01-01	28471603
2010-01-01	44527325
2011-01-01	31812137
2012-01-01	27175926
2013-01-01	32098685
2014-01-01	36925287
2015-01-01	28368364
2016-01-01	36002150