Year	Dollars
1992-01-01	6539686
1997-01-01	3331446
2002-01-01	3746229
2003-01-01	5313455
2004-01-01	7550093
2005-01-01	21355223
2006-01-01	14888212
2007-01-01	16242420
2008-01-01	21902067
2009-01-01	50543143
2010-01-01	29827535
2011-01-01	15981367
2012-01-01	32810045
2013-01-01	13606757
2014-01-01	38855553
2015-01-01	12374115
2016-01-01	20961431