Year	Dollars
1992-01-01	2720831
1997-01-01	8422291
2002-01-01	8765953
2003-01-01	10471039
2004-01-01	16381437
2005-01-01	16791753
2006-01-01	32965930
2007-01-01	37916974
2008-01-01	44484380
2009-01-01	49859620
2010-01-01	23919223
2011-01-01	51529370
2012-01-01	68793282
2013-01-01	57945004
2014-01-01	51523223
2015-01-01	34483980
2016-01-01	33192782