Year Dollars 1992-01-01 15334348 1997-01-01 30824814 2002-01-01 27410962 2003-01-01 25436334 2004-01-01 33886150 2005-01-01 65173394 2006-01-01 85502263 2007-01-01 80193106 2008-01-01 105512278 2009-01-01 98988728 2010-01-01 180278898 2011-01-01 147803885 2012-01-01 167912914 2013-01-01 164574076 2014-01-01 149293337 2015-01-01 105563329 2016-01-01 83224602