Year Dollars 1992-01-01 291445 1997-01-01 303896 2002-01-01 235247 2003-01-01 290081 2004-01-01 204222 2005-01-01 438441 2006-01-01 736053 2007-01-01 872306 2008-01-01 843370 2009-01-01 1701201 2010-01-01 3039320 2011-01-01 4942361 2012-01-01 1824830 2013-01-01 2755964 2014-01-01 2508416 2015-01-01 1611080 2016-01-01 880736