Year Dollars 2002-01-01 505474 2003-01-01 181502 2004-01-01 341672 2005-01-01 206170 2006-01-01 1147136 2007-01-01 1326617 2008-01-01 604649 2009-01-01 1255799 2010-01-01 2765551 2011-01-01 3513905 2012-01-01 6006089 2013-01-01 5452979 2014-01-01 2140198 2015-01-01 3909276 2016-01-01 944973