Year	Dollars
1992-01-01	4442605
1997-01-01	5033266
2002-01-01	15381222
2004-01-01	27750149
2005-01-01	47082328
2006-01-01	27138419
2007-01-01	7996781
2009-01-01	21386031
2010-01-01	9210745
2011-01-01	9564352
2012-01-01	11574585
2013-01-01	21909598
2014-01-01	12444966
2015-01-01	7974065
2016-01-01	10564316