Year	Dollars
1992-01-01	2998531
1997-01-01	9592200
2002-01-01	7636434
2003-01-01	11809746
2004-01-01	10608807
2005-01-01	9553286
2006-01-01	27747933
2007-01-01	12882001
2008-01-01	19848543
2009-01-01	25043439
2010-01-01	29324818
2011-01-01	37601787
2012-01-01	28931663
2013-01-01	33192079
2014-01-01	34142139
2015-01-01	43290383
2016-01-01	57587911