Year Dollars 1992-01-01 116212 1997-01-01 286385 2002-01-01 438706 2003-01-01 187812 2004-01-01 125142 2005-01-01 157965 2006-01-01 843146 2007-01-01 1512786 2008-01-01 851047 2009-01-01 1796226 2010-01-01 827321 2011-01-01 384740 2012-01-01 295900 2013-01-01 672199 2014-01-01 1240641 2015-01-01 1506844 2016-01-01 584669