Year	Dollars
1997-01-01	2052149
2002-01-01	6681002
2003-01-01	16514359
2004-01-01	15347659
2005-01-01	11121987
2006-01-01	6550143
2007-01-01	16303870
2008-01-01	15493659
2009-01-01	8914960
2010-01-01	4401948
2011-01-01	6894478
2012-01-01	26419333
2013-01-01	9269894
2014-01-01	14063380
2015-01-01	11180066
2016-01-01	11827308