Year	Dollars
1992-01-01	180233114
1997-01-01	71907342
2002-01-01	56458738
2003-01-01	62299959
2004-01-01	81224675
2005-01-01	81169438
2006-01-01	81171593
2007-01-01	101080444
2008-01-01	131101838
2009-01-01	104465620
2010-01-01	131081250
2011-01-01	116007791
2012-01-01	122627051
2013-01-01	193227654
2014-01-01	228275655
2015-01-01	190439698
2016-01-01	153417700