Year	Dollars
1992-01-01	26085825
1997-01-01	13270134
2002-01-01	47143570
2003-01-01	28432761
2004-01-01	14764102
2005-01-01	23496144
2006-01-01	41766241
2007-01-01	96639668
2008-01-01	91906249
2009-01-01	55149265
2010-01-01	112470880
2011-01-01	87159763
2012-01-01	85670693
2013-01-01	41221869
2014-01-01	16955014
2015-01-01	24449867
2016-01-01	29503430