Year Dollars 1992-01-01 1030749 1997-01-01 1873719 2002-01-01 817641 2003-01-01 514537 2004-01-01 722063 2005-01-01 2715274 2006-01-01 1343203 2007-01-01 1796872 2008-01-01 1644097 2009-01-01 1889461 2010-01-01 3172657 2011-01-01 4295661 2012-01-01 11418766 2013-01-01 6205172 2014-01-01 6074741 2015-01-01 2687716 2016-01-01 2627446