Year	Dollars
1992-01-01	12476158
1997-01-01	9513707
2002-01-01	13902910
2003-01-01	11824780
2004-01-01	12488566
2005-01-01	11303488
2006-01-01	12567707
2007-01-01	17621505
2008-01-01	39507506
2009-01-01	24337231
2010-01-01	24839650
2011-01-01	29618179
2012-01-01	28471677
2013-01-01	25951451
2014-01-01	26774155
2015-01-01	27120141
2016-01-01	26598868