Year	Dollars
1992-01-01	3464601
1997-01-01	8602408
2002-01-01	56341795
2003-01-01	75247264
2004-01-01	74997868
2005-01-01	112624439
2006-01-01	148999350
2007-01-01	218900341
2008-01-01	282662205
2009-01-01	297159525
2010-01-01	358977418
2011-01-01	463631001
2012-01-01	411743701
2013-01-01	433001481
2014-01-01	442220009
2015-01-01	384298740
2016-01-01	333934382