Year Dollars 1992-01-01 424399 1997-01-01 436505 2002-01-01 533467 2003-01-01 1369945 2004-01-01 2189128 2005-01-01 4731997 2006-01-01 3527188 2007-01-01 2425483 2008-01-01 2867866 2009-01-01 1905982 2010-01-01 2885084 2011-01-01 5692542 2012-01-01 2584117 2013-01-01 1558396 2014-01-01 3117341 2015-01-01 3460646 2016-01-01 4403086