Year	Dollars
1992-01-01	12786742
1997-01-01	17771784
2002-01-01	16952617
2003-01-01	30710821
2004-01-01	47696981
2006-01-01	148495195
2008-01-01	158768476
2009-01-01	113632255
2010-01-01	171832369
2011-01-01	133612962
2012-01-01	125656272
2013-01-01	144952082
2014-01-01	77721684
2015-01-01	70839563
2016-01-01	70425448