Year Dollars 1992-01-01 639131 2002-01-01 4397741 2003-01-01 2248698 2004-01-01 2802059 2005-01-01 19953491 2006-01-01 19612600 2007-01-01 5787262 2008-01-01 7025851 2009-01-01 2875248 2010-01-01 1498167 2011-01-01 9012088 2012-01-01 1877468 2013-01-01 1067573 2014-01-01 860421 2015-01-01 753389 2016-01-01 320292