Year	Dollars
1992-01-01	5429428
1997-01-01	11416787
2002-01-01	40252580
2003-01-01	21503534
2004-01-01	103906647
2005-01-01	146027226
2006-01-01	76999646
2007-01-01	72739537
2008-01-01	92680212
2009-01-01	157338376
2010-01-01	158213971
2011-01-01	195309035
2012-01-01	220181170
2013-01-01	230855896
2014-01-01	217389288
2015-01-01	198823649
2016-01-01	273783875