Year	Dollars
1992-01-01	1338522
1997-01-01	2066161
2002-01-01	2135618
2003-01-01	5794818
2004-01-01	2057092
2005-01-01	7031393
2006-01-01	4389118
2007-01-01	4430736
2008-01-01	7057740
2009-01-01	5167975
2010-01-01	7206782
2011-01-01	11630088
2012-01-01	27275568
2013-01-01	17738185
2014-01-01	19147546
2015-01-01	9115380
2016-01-01	5583086