Year	Dollars
1992-01-01	1694957
1997-01-01	13521385
2002-01-01	11422133
2003-01-01	21911347
2004-01-01	39334306
2005-01-01	30154594
2006-01-01	39679219
2007-01-01	95000839
2008-01-01	99891553
2009-01-01	99028819
2010-01-01	59415186
2011-01-01	86856067
2012-01-01	87313441
2013-01-01	112954452
2014-01-01	113651515
2015-01-01	91094846
2016-01-01	97253062