Year	Dollars
1992-01-01	27716444
1997-01-01	18814181
2002-01-01	41420997
2003-01-01	43475928
2004-01-01	38368352
2005-01-01	42789227
2006-01-01	96491407
2007-01-01	80887064
2008-01-01	82687671
2009-01-01	68975554
2010-01-01	77677540
2011-01-01	127273706
2012-01-01	110442940
2013-01-01	117573019
2014-01-01	112144770
2015-01-01	90555406
2016-01-01	161194369