Year Dollars 2002-01-01 151267 2003-01-01 34289 2004-01-01 86891 2005-01-01 120641 2007-01-01 158263 2008-01-01 1080320 2009-01-01 1249150 2010-01-01 531541 2011-01-01 891547 2012-01-01 586748 2013-01-01 297434 2014-01-01 482072 2015-01-01 371935 2016-01-01 890435