Year	Dollars
1992-01-01	5295680
1997-01-01	16566956
2002-01-01	17671018
2003-01-01	14789246
2004-01-01	13680876
2005-01-01	18619872
2006-01-01	16592890
2007-01-01	25224370
2008-01-01	35085008
2009-01-01	20130578
2010-01-01	18423529
2011-01-01	20311301
2012-01-01	21840249
2013-01-01	20812016
2014-01-01	22335029
2015-01-01	22882990
2016-01-01	23367872