Year Dollars 1997-01-01 1164828 2002-01-01 399486 2003-01-01 338596 2004-01-01 415146 2005-01-01 3856092 2006-01-01 832060 2008-01-01 307035 2010-01-01 6886159 2011-01-01 2356678 2012-01-01 5340547 2013-01-01 907210 2014-01-01 627462 2015-01-01 1206113 2016-01-01 991421