Year	Dollars
1992-01-01	9079993
1997-01-01	46912732
2002-01-01	12229739
2003-01-01	13819320
2004-01-01	12651213
2005-01-01	24309202
2006-01-01	15210532
2007-01-01	16389772
2008-01-01	36532667
2009-01-01	18456616
2010-01-01	31284652
2011-01-01	44377259
2012-01-01	49079573
2013-01-01	39974913
2014-01-01	41204674
2015-01-01	47496393
2016-01-01	40779516