Year	Dollars
1992-01-01	156166815
1997-01-01	221852098
2002-01-01	243216883
2003-01-01	261961127
2004-01-01	307162055
2005-01-01	411724211
2006-01-01	442808690
2007-01-01	555094963
2008-01-01	566791382
2009-01-01	505071776
2010-01-01	575720834
2011-01-01	754284878
2012-01-01	855570642
2013-01-01	668830060
2014-01-01	594855651
2015-01-01	572924665
2016-01-01	526897834