Year	Dollars
1992-01-01	17857194
1997-01-01	35811341
2002-01-01	46372252
2003-01-01	54841001
2004-01-01	71369170
2005-01-01	79017554
2006-01-01	141404926
2007-01-01	115658612
2008-01-01	143224623
2009-01-01	395286083
2010-01-01	104212545
2011-01-01	84593369
2012-01-01	56060181
2013-01-01	53948890
2014-01-01	49150225
2015-01-01	45357078
2016-01-01	44634663