Year Dollars 1992-01-01 67355 1997-01-01 1283976 2002-01-01 2648499 2003-01-01 1247826 2004-01-01 1298789 2005-01-01 2796970 2006-01-01 1701165 2007-01-01 6937586 2008-01-01 3848430 2009-01-01 1057440 2010-01-01 4427563 2011-01-01 6024402 2012-01-01 5210691 2013-01-01 3959117 2014-01-01 6136883 2015-01-01 3473345 2016-01-01 6280319