Year	Dollars
1992-01-01	5597656
1997-01-01	8429171
2002-01-01	12042311
2003-01-01	20450332
2004-01-01	19347602
2005-01-01	30968569
2006-01-01	31454020
2007-01-01	45809391
2008-01-01	54454882
2009-01-01	44324897
2010-01-01	51918586
2011-01-01	45196536
2012-01-01	43912786
2013-01-01	53898365
2014-01-01	64080382
2015-01-01	64013342
2016-01-01	68105602