Year	Dollars
1992-01-01	29307453
1997-01-01	37841792
2002-01-01	44180253
2003-01-01	48005653
2004-01-01	54864942
2005-01-01	44894052
2006-01-01	81576159
2007-01-01	99649613
2008-01-01	102396256
2009-01-01	146252881
2010-01-01	159890120
2011-01-01	287082519
2012-01-01	318891747
2013-01-01	281786336
2014-01-01	256119057
2015-01-01	185747944
2016-01-01	165551716