Year	Dollars
1992-01-01	2312271
1997-01-01	5303903
2002-01-01	3693271
2003-01-01	3111219
2004-01-01	3001111
2005-01-01	3563232
2006-01-01	4145055
2007-01-01	7765235
2008-01-01	15712165
2009-01-01	6188154
2010-01-01	6676226
2011-01-01	7497793
2012-01-01	7776767
2013-01-01	6109461
2014-01-01	5205371
2015-01-01	7797457
2016-01-01	19471684