Year Dollars 1992-01-01 144926 1997-01-01 505204 2002-01-01 115398 2003-01-01 708388 2004-01-01 415063 2005-01-01 552014 2006-01-01 724145 2007-01-01 970994 2008-01-01 428778 2009-01-01 2121118 2010-01-01 1080782 2011-01-01 1956025 2012-01-01 3154316 2013-01-01 2317285 2014-01-01 2002831 2015-01-01 1247667 2016-01-01 2892775