Year	Dollars
1992-01-01	5570688
1997-01-01	7405800
2002-01-01	12393170
2003-01-01	14216067
2004-01-01	24059813
2005-01-01	29252228
2006-01-01	33018449
2007-01-01	25206883
2008-01-01	33213811
2009-01-01	19596535
2010-01-01	41060526
2011-01-01	35321765
2012-01-01	22384248
2013-01-01	14899175
2014-01-01	23611743
2015-01-01	19884992
2016-01-01	13948372