Year Dollars 1992-01-01 276972 1997-01-01 639815 2002-01-01 873845 2003-01-01 880105 2004-01-01 1724848 2005-01-01 1486028 2006-01-01 2284650 2007-01-01 1151408 2008-01-01 2145497 2009-01-01 1257064 2010-01-01 1517999 2011-01-01 2233530 2012-01-01 3517011 2014-01-01 1337012 2015-01-01 1383745 2016-01-01 1451308