Year	Dollars
1992-01-01	397992459
1997-01-01	668660491
2002-01-01	447748535
2003-01-01	384232726
2004-01-01	446194909
2005-01-01	511919259
2006-01-01	585748438
2007-01-01	730946268
2008-01-01	734668263
2009-01-01	645805213
2010-01-01	766185149
2011-01-01	777380253
2012-01-01	905738060
2013-01-01	873008864
2014-01-01	912155753
2015-01-01	1069915139
2016-01-01	1196648656