Year Dollars 1992-01-01 7243189 1997-01-01 35803354 2002-01-01 20398624 2003-01-01 33273701 2004-01-01 35646223 2005-01-01 49203467 2006-01-01 85365172 2007-01-01 60375233 2008-01-01 81312290 2009-01-01 56770610 2010-01-01 74191154 2011-01-01 80717277 2012-01-01 76400207 2013-01-01 87307633 2014-01-01 113355552 2015-01-01 115707589 2016-01-01 97060357