Year Dollars 1992-01-01 374202 1997-01-01 268939 2002-01-01 1510756 2003-01-01 428880 2004-01-01 250864 2005-01-01 747422 2006-01-01 1275405 2007-01-01 5159348 2008-01-01 13774571 2009-01-01 25207079 2010-01-01 56636389 2011-01-01 69720388 2012-01-01 74936197 2013-01-01 83362082 2014-01-01 97558893 2015-01-01 84360734 2016-01-01 21757538