Year	Dollars
1992-01-01	2947469
1997-01-01	4357744
2002-01-01	10002481
2004-01-01	20376441
2005-01-01	3735091
2006-01-01	10006266
2007-01-01	15255123
2008-01-01	28328868
2009-01-01	17194174
2010-01-01	14054959
2011-01-01	24215221
2012-01-01	40885759
2013-01-01	36578561
2014-01-01	32578185
2015-01-01	33809567
2016-01-01	30563278
