Year	Dollars
1992-01-01	1189079
1997-01-01	4513945
2002-01-01	4293400
2003-01-01	7617765
2004-01-01	4294351
2005-01-01	4111529
2006-01-01	6347524
2007-01-01	7364793
2008-01-01	7439448
2009-01-01	11700674
2010-01-01	16748267
2011-01-01	34183023
2012-01-01	23384152
2013-01-01	25452537
2014-01-01	22265465
2015-01-01	29024391
2016-01-01	31748745