Year Dollars 1992-01-01 63157481 2004-01-01 186437 2006-01-01 160269 2007-01-01 76513 2008-01-01 291051 2009-01-01 613637 2010-01-01 556844 2011-01-01 1387188 2012-01-01 360175 2013-01-01 1370122 2014-01-01 1276610 2015-01-01 1309751