Year Dollars 1992-01-01 120704 1997-01-01 636293 2002-01-01 453871 2003-01-01 569932 2004-01-01 339869 2005-01-01 824789 2006-01-01 3291341 2007-01-01 4587224 2008-01-01 1839606 2009-01-01 1066548 2010-01-01 5297062 2011-01-01 1130032 2012-01-01 1830468 2013-01-01 1821182 2014-01-01 2695711 2015-01-01 3702987 2016-01-01 1422166