Year Dollars 1992-01-01 135930 1997-01-01 289963 2002-01-01 1668578 2003-01-01 1546020 2004-01-01 1121774 2005-01-01 2049844 2006-01-01 654693 2007-01-01 946464 2008-01-01 1396323 2009-01-01 1104136 2010-01-01 1844188 2011-01-01 2147323 2012-01-01 1193320 2013-01-01 1122626 2014-01-01 1002327 2015-01-01 634074 2016-01-01 1940154