Year	Dollars
1992-01-01	2987473
1997-01-01	13020570
2002-01-01	25710059
2003-01-01	32695403
2004-01-01	27602742
2005-01-01	23498098
2006-01-01	29581315
2007-01-01	21911923
2008-01-01	25514750
2009-01-01	19016646
2010-01-01	32110887
2011-01-01	24010734
2012-01-01	22067674
2013-01-01	27436532
2014-01-01	27591432
2015-01-01	35898674
2016-01-01	50273333