Year Dollars 1992-01-01 235573 1997-01-01 958391 2003-01-01 695719 2005-01-01 2227665 2007-01-01 2435691 2009-01-01 1524005 2010-01-01 1311246 2011-01-01 981080 2012-01-01 1266387 2013-01-01 754711 2014-01-01 1285453 2015-01-01 2286547 2016-01-01 768667