Year	Dollars
1992-01-01	2386363
1997-01-01	7418982
2002-01-01	4972947
2003-01-01	11940507
2005-01-01	45259328
2007-01-01	53192254
2008-01-01	89351700
2009-01-01	31781687
2010-01-01	22804260
2011-01-01	31373610
2012-01-01	19874208
2013-01-01	26637129
2014-01-01	22052048
2015-01-01	17571152
2016-01-01	18199522