Year	Dollars
1992-01-01	5286965
1997-01-01	10011192
2002-01-01	12029478
2003-01-01	11975640
2004-01-01	14194858
2005-01-01	19945140
2006-01-01	15771578
2007-01-01	22206712
2008-01-01	24115228
2009-01-01	20155692
2010-01-01	24048230
2011-01-01	29944283
2012-01-01	32741395
2013-01-01	33672402
2014-01-01	26265022
2015-01-01	30737461
2016-01-01	32856153