Year	Dollars
1992-01-01	16224391
1997-01-01	21950742
2002-01-01	47175681
2003-01-01	49890445
2004-01-01	63810582
2005-01-01	59263774
2006-01-01	43470352
2007-01-01	70300236
2008-01-01	87265726
2009-01-01	52495404
2010-01-01	65464237
2011-01-01	82370905
2012-01-01	78351642
2013-01-01	128705506
2014-01-01	62461301
2015-01-01	108580751
2016-01-01	142103225