Year	Dollars
1992-01-01	37226173
1997-01-01	25794327
2002-01-01	21053166
2004-01-01	10816443
2005-01-01	19773951
2006-01-01	34527093
2007-01-01	26729593
2008-01-01	21871093
2009-01-01	12423696
2010-01-01	28461552
2011-01-01	17132998
2012-01-01	24060459
2013-01-01	27939027
2014-01-01	39981043
2015-01-01	40642884
2016-01-01	24245128