Year Dollars 1992-01-01 1389184 1997-01-01 606668 2002-01-01 1412223 2003-01-01 1209989 2004-01-01 1452966 2005-01-01 1678818 2006-01-01 825910 2007-01-01 1655704 2008-01-01 1519644 2009-01-01 2989021 2010-01-01 9531464 2011-01-01 1846343 2012-01-01 1649326 2013-01-01 2961854 2014-01-01 2549450 2015-01-01 5426087 2016-01-01 3498968