Year Dollars 1992-01-01 1087637 2002-01-01 2079329 2003-01-01 1559674 2004-01-01 1276231 2005-01-01 2965016 2006-01-01 1783362 2007-01-01 2092303 2008-01-01 4755508 2009-01-01 6115340 2010-01-01 5750978 2011-01-01 8127228 2012-01-01 7785461 2013-01-01 4109210 2014-01-01 3919013 2015-01-01 3820411 2016-01-01 5461116