Year	Dollars
1992-01-01	7333482
1997-01-01	8611165
2002-01-01	25322160
2003-01-01	37562256
2004-01-01	17118884
2005-01-01	43272420
2006-01-01	23187865
2007-01-01	21142885
2008-01-01	32837569
2009-01-01	35634200
2010-01-01	34696720
2011-01-01	34341981
2012-01-01	50122408
2013-01-01	37345094
2014-01-01	21538020
2015-01-01	23071914
2016-01-01	35005292