Year Dollars 1992-01-01 104981 1997-01-01 233362 2002-01-01 251091 2003-01-01 49476 2004-01-01 98401 2005-01-01 158401 2006-01-01 169014 2007-01-01 204528 2008-01-01 258754 2009-01-01 1252144 2010-01-01 2297025 2011-01-01 1019775 2012-01-01 399901 2013-01-01 423256 2014-01-01 326697 2015-01-01 499552 2016-01-01 939267