Year	Dollars
1997-01-01	7299781
2002-01-01	7453808
2003-01-01	13648427
2004-01-01	24335724
2005-01-01	28528435
2006-01-01	13818298
2007-01-01	12837552
2008-01-01	9501023
2009-01-01	18429820
2010-01-01	8810069
2011-01-01	9758137
2012-01-01	11036769
2013-01-01	10462853
2014-01-01	7114296
2015-01-01	6082408
2016-01-01	5737374