Year Dollars 1992-01-01 819045 2002-01-01 8019482 2003-01-01 1799469 2004-01-01 5705102 2005-01-01 2802139 2006-01-01 3521536 2007-01-01 4942178 2008-01-01 7440303 2010-01-01 1138957 2011-01-01 2989681 2012-01-01 3728749 2013-01-01 1771343 2014-01-01 3431317 2015-01-01 7228864 2016-01-01 3551558