Year	Dollars
1992-01-01	21910679
1997-01-01	25699687
2002-01-01	34407249
2003-01-01	31356119
2004-01-01	36158140
2005-01-01	53553575
2006-01-01	76377938
2007-01-01	78182284
2008-01-01	82167626
2009-01-01	84698191
2010-01-01	109008724
2011-01-01	149750402
2012-01-01	150161931
2013-01-01	134074575
2014-01-01	149066571
2015-01-01	123010073
2016-01-01	156738991