Year	Dollars
1992-01-01	8249200
1997-01-01	41645576
2002-01-01	70530295
2003-01-01	55961880
2004-01-01	52802082
2005-01-01	84875610
2006-01-01	80555337
2007-01-01	107478052
2008-01-01	123985931
2009-01-01	88797814
2010-01-01	149598237
2011-01-01	137026742
2012-01-01	143787259
2013-01-01	137459197
2014-01-01	178902508
2015-01-01	181208208
2016-01-01	214235010