Year Dollars 1992-01-01 1417279 1997-01-01 1458988 2002-01-01 1691613 2003-01-01 2153688 2004-01-01 20659681 2005-01-01 5218910 2006-01-01 5725907 2007-01-01 4013735 2008-01-01 4450891 2009-01-01 2775473 2010-01-01 2840699 2011-01-01 1148246 2012-01-01 3195893 2013-01-01 2359801 2014-01-01 3864552 2015-01-01 5041452 2016-01-01 3705287