Year Dollars 2002-01-01 152841 2003-01-01 38268 2004-01-01 105427 2005-01-01 324334 2006-01-01 99956 2007-01-01 414783 2008-01-01 562292 2009-01-01 873083 2012-01-01 1276170 2014-01-01 3077531 2015-01-01 2746024 2016-01-01 2166386