Year Dollars 1992-01-01 6821347 1997-01-01 26259394 2002-01-01 65769232 2003-01-01 50794330 2004-01-01 52111827 2005-01-01 62233315 2006-01-01 51284481 2007-01-01 123813482 2008-01-01 172416356 2009-01-01 103711398 2010-01-01 87162808 2011-01-01 173387535 2012-01-01 164571326 2013-01-01 117380433 2014-01-01 194344504 2015-01-01 209564910 2016-01-01 316247648