Year Dollars 1992-01-01 867642 1997-01-01 1174857 2002-01-01 2034162 2003-01-01 3039344 2004-01-01 1193264 2005-01-01 1271838 2006-01-01 376710 2008-01-01 1495600 2011-01-01 124552 2012-01-01 117646 2015-01-01 725593 2016-01-01 1184889