Year	Dollars
1992-01-01	219805182
1997-01-01	294173837
2002-01-01	273839163
2003-01-01	301064210
2004-01-01	317215927
2005-01-01	524781896
2006-01-01	784197593
2007-01-01	373909738
2008-01-01	429584239
2009-01-01	367999037
2010-01-01	402772397
2011-01-01	469314977
2012-01-01	537213922
2013-01-01	599511988
2014-01-01	588438985
2015-01-01	504711597
2016-01-01	467672944