Year	Dollars
1992-01-01	1023121
1997-01-01	1864275
2002-01-01	1572854
2003-01-01	2540469
2004-01-01	2599235
2005-01-01	4532462
2006-01-01	2068720
2007-01-01	7596087
2008-01-01	12437436
2009-01-01	3461825
2010-01-01	10210524
2011-01-01	29289115
2012-01-01	11233201
2013-01-01	2699299
2014-01-01	2109234
2015-01-01	1404330
2016-01-01	5149030