Year	Dollars
1992-01-01	3128819
1997-01-01	8923934
2002-01-01	32625975
2003-01-01	10877684
2004-01-01	14171720
2005-01-01	21142412
2006-01-01	91669137
2007-01-01	116627554
2008-01-01	178514947
2009-01-01	117238656
2010-01-01	268116251
2011-01-01	194679772
2012-01-01	86089803
2013-01-01	70028779
2014-01-01	28744903
2015-01-01	49729904
2016-01-01	27235448