Year	Dollars
1992-01-01	3595076
1997-01-01	10697286
2002-01-01	7878163
2003-01-01	4911667
2004-01-01	14974805
2005-01-01	6532726
2006-01-01	7774215
2007-01-01	23935621
2008-01-01	14028724
2009-01-01	11519104
2010-01-01	15989166
2011-01-01	16925800
2012-01-01	13656054
2013-01-01	19057253
2014-01-01	35046922
2015-01-01	19617508
2016-01-01	11229346