Year Dollars 1992-01-01 958372 1997-01-01 943970 2002-01-01 3093850 2003-01-01 1347513 2004-01-01 4258220 2005-01-01 1332751 2006-01-01 2298518 2007-01-01 1633175 2008-01-01 1300393 2009-01-01 3296913 2010-01-01 4805845 2011-01-01 8125425 2012-01-01 3779088 2013-01-01 2159416 2014-01-01 2078903 2015-01-01 2371241 2016-01-01 1894754