Year	Dollars
1992-01-01	3786633
1997-01-01	10052215
2002-01-01	22455250
2003-01-01	19753799
2004-01-01	25116112
2005-01-01	33215972
2006-01-01	56889435
2007-01-01	86860238
2008-01-01	113307565
2009-01-01	98681486
2010-01-01	118254963
2011-01-01	139669226
2012-01-01	677793270
2013-01-01	359304748
2014-01-01	597165267
2015-01-01	185865008
2016-01-01	443121451