Year	Dollars
1992-01-01	11211747
1997-01-01	15173451
2002-01-01	37842999
2003-01-01	25552393
2004-01-01	30733052
2005-01-01	26424391
2006-01-01	39455941
2007-01-01	44620933
2008-01-01	59587420
2009-01-01	67559021
2010-01-01	55237450
2011-01-01	87802746
2012-01-01	145854478
2013-01-01	139483292
2014-01-01	166502888
2015-01-01	102382289
2016-01-01	62685209