Year Dollars 1992-01-01 2485983 1997-01-01 2541612 2002-01-01 37827727 2003-01-01 14877402 2004-01-01 10694740 2005-01-01 11766403 2006-01-01 14168867 2007-01-01 32185197 2008-01-01 29818071 2009-01-01 22099674 2010-01-01 22512834 2011-01-01 40303556 2012-01-01 21085975 2013-01-01 15948669 2014-01-01 15807695 2015-01-01 10315527 2016-01-01 19629420