Year	Dollars
1992-01-01	2335623
1997-01-01	19821210
2002-01-01	10496655
2003-01-01	7517126
2004-01-01	6954473
2005-01-01	1759707
2006-01-01	650061
2007-01-01	3421260
2008-01-01	17830909
2009-01-01	47626915
2010-01-01	44711881
2011-01-01	59629043
2012-01-01	62127756
2013-01-01	57757252
2014-01-01	54963787
2015-01-01	49487470
2016-01-01	49618366