Year Dollars 1992-01-01 2988590 1997-01-01 2281525 2002-01-01 1520136 2003-01-01 862343 2004-01-01 1261003 2005-01-01 1044457 2006-01-01 1693565 2007-01-01 1641168 2008-01-01 4398247 2009-01-01 8275827 2010-01-01 1750181 2011-01-01 2359302 2012-01-01 1392408 2013-01-01 1797001 2014-01-01 2130950 2015-01-01 1292720 2016-01-01 1191880