Year	Dollars
1992-01-01	59514466
1997-01-01	110655293
2002-01-01	121027057
2003-01-01	124764341
2004-01-01	176734482
2005-01-01	197276056
2006-01-01	223642858
2007-01-01	249448038
2008-01-01	267340789
2009-01-01	230851114
2010-01-01	230427147
2011-01-01	271185278
2012-01-01	440794738
2013-01-01	467107173
2014-01-01	487396035
2015-01-01	228996874
2016-01-01	220915703