Year	Dollars
1992-01-01	3662814
1997-01-01	5188812
2002-01-01	5001442
2003-01-01	3822726
2004-01-01	4185890
2005-01-01	7233794
2006-01-01	19276958
2007-01-01	10889059
2008-01-01	9258973
2009-01-01	8332609
2010-01-01	10021849
2011-01-01	14083842
2012-01-01	12331911
2013-01-01	15132043
2014-01-01	20343699
2015-01-01	13571932
2016-01-01	15734477