Year Dollars 1992-01-01 731926 1997-01-01 1017386 2002-01-01 5871748 2003-01-01 2965828 2004-01-01 4004643 2005-01-01 4588154 2006-01-01 4935920 2007-01-01 9514070 2008-01-01 12601199 2009-01-01 12783336 2010-01-01 12394175 2011-01-01 10851142 2012-01-01 14963115 2013-01-01 32923536 2014-01-01 26796125 2015-01-01 18300062 2016-01-01 35456398