Year	Dollars
1992-01-01	4256856
1997-01-01	15507756
2002-01-01	14040866
2003-01-01	12045170
2004-01-01	10893606
2005-01-01	24582949
2006-01-01	17775927
2007-01-01	27387560
2008-01-01	44519006
2009-01-01	29888577
2010-01-01	36208724
2011-01-01	43142248
2012-01-01	49703252
2013-01-01	63856068
2014-01-01	69375023
2015-01-01	72480712
2016-01-01	50706180