Year Dollars 2002-01-01 22737 2004-01-01 12184 2005-01-01 23095 2006-01-01 255630 2007-01-01 44477 2008-01-01 157351 2010-01-01 442573 2011-01-01 152864 2012-01-01 314025 2013-01-01 1104596 2015-01-01 821586 2016-01-01 74289