Year Dollars 1992-01-01 291725 1997-01-01 376995 2002-01-01 1457063 2003-01-01 2312949 2004-01-01 3266570 2005-01-01 6123297 2006-01-01 3834343 2007-01-01 3741654 2008-01-01 17123495 2009-01-01 11950117 2010-01-01 5590643 2011-01-01 6567448 2012-01-01 3679895 2013-01-01 5704623 2014-01-01 13214092 2015-01-01 5261107 2016-01-01 7841242