Year Dollars 1992-01-01 3033232 1997-01-01 1458173 2002-01-01 180325 2003-01-01 953284 2004-01-01 303417 2005-01-01 1961154 2006-01-01 1467377 2007-01-01 2322097 2008-01-01 982567 2009-01-01 1347119 2010-01-01 1258160 2011-01-01 1406463 2012-01-01 4371772 2013-01-01 7134489 2014-01-01 5389752 2015-01-01 6386661 2016-01-01 5439533