Year	Dollars
1997-01-01	283515
2002-01-01	150705
2005-01-01	152038
2007-01-01	208985
2008-01-01	682255
2009-01-01	844495
2010-01-01	412202
2011-01-01	442823
2012-01-01	3293703
2013-01-01	11377983
2014-01-01	11073915
2015-01-01	10236117