Year	Dollars
1992-01-01	4430797
1997-01-01	10245389
2002-01-01	71919169
2003-01-01	12893320
2004-01-01	13487185
2005-01-01	27263362
2006-01-01	20407351
2007-01-01	25332124
2008-01-01	29869415
2009-01-01	22302000
2010-01-01	28289516
2011-01-01	23989969
2012-01-01	17459195
2013-01-01	20410962
2014-01-01	72557192
2015-01-01	55082219
2016-01-01	18058703