Year	Dollars
1992-01-01	20341629
1997-01-01	25154851
2002-01-01	20678216
2003-01-01	17096674
2004-01-01	10035637
2005-01-01	13188571
2006-01-01	17308917
2007-01-01	29793291
2008-01-01	17740789
2009-01-01	22873129
2010-01-01	55678947
2011-01-01	17833943
2012-01-01	27170764
2013-01-01	47838356
2014-01-01	29956483
2015-01-01	14544685
2016-01-01	13916529