Year	Dollars
1992-01-01	3828425
1997-01-01	4700154
2002-01-01	2396610
2003-01-01	4886978
2004-01-01	5333443
2005-01-01	10139103
2006-01-01	16366356
2007-01-01	19546961
2008-01-01	16915404
2009-01-01	20453665
2010-01-01	20009450
2011-01-01	18232025
2012-01-01	19515474
2013-01-01	16576128
2014-01-01	13337172
2015-01-01	17488336
2016-01-01	14994170