Year Dollars 1992-01-01 1423641 1997-01-01 1211755 2002-01-01 860347 2003-01-01 961503 2004-01-01 2037008 2005-01-01 1296229 2006-01-01 2528246 2007-01-01 2387817 2008-01-01 3429914 2009-01-01 2808416 2010-01-01 2339024 2011-01-01 2694046 2012-01-01 3911269 2013-01-01 2246685 2014-01-01 3004569 2015-01-01 4126570 2016-01-01 4767021