Year	Dollars
1992-01-01	2298106
1997-01-01	3492720
2002-01-01	5182121
2003-01-01	6153340
2004-01-01	5019687
2005-01-01	6454433
2006-01-01	9909875
2007-01-01	22298382
2008-01-01	11534014
2009-01-01	21241570
2010-01-01	60983701
2011-01-01	15984785
2012-01-01	25713916
2013-01-01	15573556
2014-01-01	23995599
2015-01-01	18137616
2016-01-01	17918694