Year	Dollars
1992-01-01	21861580
1997-01-01	56895987
2002-01-01	108117370
2003-01-01	57048357
2004-01-01	66215279
2005-01-01	48650152
2006-01-01	114955304
2007-01-01	201431472
2008-01-01	161656190
2009-01-01	245799762
2010-01-01	188788834
2011-01-01	324148456
2012-01-01	140909082
2013-01-01	217390440
2014-01-01	200903656
2015-01-01	253091334
2016-01-01	456932056