Year	Dollars
1992-01-01	10941523
1997-01-01	20523858
2002-01-01	18943644
2003-01-01	32019866
2004-01-01	15665611
2005-01-01	16879959
2006-01-01	39853173
2007-01-01	23781630
2008-01-01	76069585
2009-01-01	47992188
2010-01-01	38929465
2011-01-01	61732600
2012-01-01	62507143
2013-01-01	215086913
2014-01-01	38624476
2015-01-01	34645749
2016-01-01	21460798