Year	Dollars
1992-01-01	18106644
1997-01-01	10305696
2002-01-01	13782100
2003-01-01	7893224
2004-01-01	17919474
2005-01-01	4455976
2006-01-01	17837436
2007-01-01	17723503
2008-01-01	23002709
2009-01-01	11002832
2010-01-01	17836651
2011-01-01	15221572
2012-01-01	17718082
2013-01-01	27647356
2014-01-01	27736166
2015-01-01	38779961
2016-01-01	25913741