Year	Dollars
1992-01-01	2144122
1997-01-01	2129009
2002-01-01	10887932
2005-01-01	18509492
2006-01-01	22990005
2007-01-01	28856054
2008-01-01	75204929
2009-01-01	23212983
2010-01-01	48975066
2011-01-01	26136289
2012-01-01	37395248
2013-01-01	25527416
2014-01-01	28674870
2015-01-01	18812761
2016-01-01	44370030