Year	Dollars
1992-01-01	30982843
1997-01-01	188378279
2002-01-01	11083829
2003-01-01	16457354
2004-01-01	11131182
2005-01-01	21483187
2006-01-01	16628808
2007-01-01	16893000
2008-01-01	79594767
2009-01-01	122618008
2010-01-01	35263905
2011-01-01	55500340
2012-01-01	54976396
2013-01-01	66491211
2014-01-01	41409047
2015-01-01	12200107
2016-01-01	8257214