Year	Dollars
1992-01-01	3599669
1997-01-01	12164758
2002-01-01	17823363
2003-01-01	28674275
2004-01-01	16967417
2005-01-01	21416778
2006-01-01	35502136
2007-01-01	38178526
2008-01-01	34874417
2009-01-01	32385286
2010-01-01	34079237
2011-01-01	35625039
2012-01-01	30030238
2013-01-01	30870181
2014-01-01	31030911
2015-01-01	35487219
2016-01-01	31312563