Year Dollars 1992-01-01 3796878 1997-01-01 2814380 2002-01-01 12464838 2003-01-01 7009698 2004-01-01 9693641 2005-01-01 6911476 2006-01-01 5473739 2007-01-01 3676256 2008-01-01 4959224 2009-01-01 9234406 2010-01-01 2788335 2011-01-01 1984876 2012-01-01 1741828 2013-01-01 1516031 2014-01-01 2453195 2015-01-01 2353362 2016-01-01 2253752