Year	Dollars
1992-01-01	1964765
1997-01-01	4254186
2002-01-01	3403866
2003-01-01	4191513
2004-01-01	4677197
2005-01-01	11049445
2006-01-01	13027827
2007-01-01	14002519
2008-01-01	13896653
2009-01-01	10013424
2010-01-01	11975736
2011-01-01	14427984
2012-01-01	33886374
2013-01-01	37162368
2014-01-01	35990549
2015-01-01	21281397
2016-01-01	40108733