Year	Dollars
1992-01-01	51053253
1997-01-01	49638202
2002-01-01	27275474
2003-01-01	28519412
2004-01-01	32334266
2005-01-01	38133018
2006-01-01	34874481
2007-01-01	39486752
2008-01-01	54217681
2009-01-01	85969747
2010-01-01	136914924
2011-01-01	124749014
2012-01-01	139561045
2013-01-01	140066065
2014-01-01	106961215
2015-01-01	103460447
2016-01-01	177083784