Year Dollars 1992-01-01 2631019 1997-01-01 1166693 2002-01-01 3886686 2003-01-01 4483542 2004-01-01 2306926 2005-01-01 16303169 2006-01-01 9429265 2007-01-01 5145678 2008-01-01 4495529 2009-01-01 1042650 2010-01-01 2007732 2011-01-01 2554608 2012-01-01 2291351 2013-01-01 4098461 2014-01-01 14527158 2015-01-01 5969703 2016-01-01 3007273