Year Dollars 1992-01-01 1138072 1997-01-01 1330725 2002-01-01 895070 2003-01-01 1385262 2004-01-01 1795801 2005-01-01 884574 2006-01-01 1350914 2007-01-01 1960694 2008-01-01 3702350 2009-01-01 4862495 2010-01-01 4139330 2011-01-01 6056493 2012-01-01 11225028 2013-01-01 4457172 2014-01-01 4285675 2015-01-01 10211243 2016-01-01 7742701