Year	Dollars
1992-01-01	2680448501
1997-01-01	5122448327
2002-01-01	4505234788
2003-01-01	4565663387
2004-01-01	5069563143
2005-01-01	6007460671
2006-01-01	7323446216
2007-01-01	7891433060
2008-01-01	8533595339
2009-01-01	7498204968
2010-01-01	8438858724
2011-01-01	9495271570
2012-01-01	9362116734
2013-01-01	9611721052
2014-01-01	10241081592
2015-01-01	9887486947
2016-01-01	8332703666