Year	Dollars
1992-01-01	29065515
1997-01-01	7525503
2002-01-01	14736883
2003-01-01	15651866
2004-01-01	83031971
2005-01-01	39537287
2006-01-01	36250854
2007-01-01	86489683
2008-01-01	178370647
2009-01-01	89015836
2010-01-01	67751217
2011-01-01	132734552
2012-01-01	157482170
2013-01-01	122992916
2014-01-01	227528481
2015-01-01	130857671
2016-01-01	85563027