Year	Dollars
1992-01-01	4832640
1997-01-01	5303909
2002-01-01	5937683
2003-01-01	7758816
2004-01-01	24425499
2005-01-01	17796700
2006-01-01	7733302
2007-01-01	12343842
2008-01-01	13603344
2009-01-01	18209309
2010-01-01	32941489
2011-01-01	23897656
2012-01-01	43780023
2013-01-01	56582661
2014-01-01	72941531
2015-01-01	69369096
2016-01-01	61773085