Year Dollars 1992-01-01 152224 2002-01-01 2739558 2003-01-01 1612991 2004-01-01 4808829 2005-01-01 5315823 2006-01-01 2099795 2007-01-01 4098672 2008-01-01 3685536 2009-01-01 1354665 2010-01-01 2858775 2011-01-01 3398256 2012-01-01 4431442 2013-01-01 3521627 2014-01-01 3436186 2015-01-01 2713541 2016-01-01 3071144