Year Dollars 1992-01-01 1915656 1997-01-01 2325056 2002-01-01 1871586 2003-01-01 3963648 2004-01-01 1574013 2005-01-01 2999772 2006-01-01 2311122 2007-01-01 2729155 2008-01-01 1753877 2009-01-01 4872027 2010-01-01 4555675 2011-01-01 4216114 2012-01-01 6288252 2013-01-01 12462069 2014-01-01 9220435 2015-01-01 3710791 2016-01-01 4809005