Year	Dollars
1992-01-01	13836667
1997-01-01	61961871
2002-01-01	76472584
2003-01-01	170529769
2004-01-01	269399360
2005-01-01	125242014
2006-01-01	152214660
2007-01-01	299612629
2008-01-01	354081020
2009-01-01	352401756
2010-01-01	388029246
2011-01-01	408559295
2012-01-01	534365402
2013-01-01	740669185
2014-01-01	1504337035
2016-01-01	1539152958