Year	Dollars
1992-01-01	2716013
1997-01-01	4117362
2002-01-01	6417905
2003-01-01	4610118
2004-01-01	15571258
2005-01-01	20529191
2006-01-01	10485637
2007-01-01	25458685
2008-01-01	24284085
2009-01-01	27582373
2010-01-01	36696282
2011-01-01	69275943
2012-01-01	36723780
2013-01-01	57129673
2014-01-01	74808893
2015-01-01	53743365
2016-01-01	48426106