Year	Dollars
1992-01-01	93671052
1997-01-01	127755408
2002-01-01	149165229
2003-01-01	171316338
2004-01-01	233322552
2005-01-01	278670356
2006-01-01	252919612
2007-01-01	269897919
2008-01-01	285936203
2009-01-01	180857621
2010-01-01	246561533
2011-01-01	311393919
2012-01-01	307842978
2013-01-01	315464025
2014-01-01	298266944
2015-01-01	245330665
2016-01-01	250685770