Year Dollars 1992-01-01 1191403 1997-01-01 906817 2002-01-01 1509686 2003-01-01 729457 2004-01-01 1377551 2005-01-01 1926070 2006-01-01 1520815 2007-01-01 2952590 2008-01-01 5495922 2009-01-01 2349657 2010-01-01 1978279 2011-01-01 4270328 2012-01-01 4196144 2013-01-01 5216611 2014-01-01 9282500 2015-01-01 5243736 2016-01-01 11572079