Year Dollars 1992-01-01 1669708 2002-01-01 360792 2004-01-01 379254 2006-01-01 505911 2007-01-01 690745 2010-01-01 1529769 2011-01-01 3060577 2012-01-01 2235938 2013-01-01 1513444 2014-01-01 303000 2016-01-01 1079935