Year	Dollars
1992-01-01	2056054
1997-01-01	7756521
2002-01-01	5070353
2003-01-01	15789664
2004-01-01	35598784
2005-01-01	51432785
2006-01-01	69157306
2007-01-01	85711508
2008-01-01	117313593
2009-01-01	79743688
2010-01-01	140254828
2011-01-01	161377979
2012-01-01	167938082
2013-01-01	166872896
2014-01-01	289548784
2015-01-01	129287935
2016-01-01	116140735