Year	Dollars
1992-01-01	1907081
1997-01-01	7697836
2002-01-01	1836693
2003-01-01	1558540
2004-01-01	6609431
2005-01-01	10650251
2006-01-01	27047329
2007-01-01	27400200
2008-01-01	62523403
2009-01-01	51912338
2010-01-01	90351524
2011-01-01	121103958
2012-01-01	90745272
2013-01-01	101370496
2014-01-01	124381670
2015-01-01	163278699
2016-01-01	118333970