Year	Dollars
1992-01-01	11466474
1997-01-01	7682802
2002-01-01	19223623
2003-01-01	15615524
2004-01-01	19259697
2005-01-01	19547157
2006-01-01	17424632
2007-01-01	28578481
2008-01-01	15650419
2009-01-01	13589762
2010-01-01	21922049
2011-01-01	24140319
2012-01-01	18436265
2013-01-01	25227078
2014-01-01	15833953
2015-01-01	34667874
2016-01-01	37922688