Year Dollars 2004-01-01 2198589 2005-01-01 4327450 2006-01-01 14990218 2007-01-01 39972476 2008-01-01 45640208 2009-01-01 44959121 2010-01-01 51232919 2011-01-01 155753291 2012-01-01 62525552 2013-01-01 40968057 2014-01-01 30646217 2015-01-01 11559548 2016-01-01 13533392