Year	Dollars
1992-01-01	26879032
1997-01-01	64583433
2002-01-01	52754351
2003-01-01	60682478
2004-01-01	52240778
2005-01-01	44245781
2006-01-01	44728168
2007-01-01	74400188
2008-01-01	73077167
2009-01-01	77620235
2010-01-01	113508958
2011-01-01	156956849
2012-01-01	177391862
2013-01-01	175823861
2014-01-01	174567039
2015-01-01	154635880
2016-01-01	169581454