Year Dollars 1992-01-01 15191501 1997-01-01 12525205 2002-01-01 9223103 2004-01-01 4050456 2005-01-01 559437 2006-01-01 482269 2007-01-01 235679 2008-01-01 824903 2009-01-01 2024510 2010-01-01 230795 2011-01-01 3522419 2012-01-01 739056 2013-01-01 3330139 2014-01-01 2723940 2015-01-01 8187756 2016-01-01 4534326