Year	Dollars
1992-01-01	179458958
1997-01-01	204650491
2002-01-01	291739260
2003-01-01	201591833
2004-01-01	339633342
2005-01-01	329997274
2006-01-01	362645109
2007-01-01	412632723
2008-01-01	381675209
2009-01-01	342866539
2010-01-01	509047201
2011-01-01	483726709
2012-01-01	372825995
2013-01-01	363332779
2014-01-01	302068981
2015-01-01	306623562
2016-01-01	328844369