Year Dollars 1997-01-01 63326 2003-01-01 34561 2005-01-01 879633 2006-01-01 796911 2007-01-01 1873841 2008-01-01 2032249 2009-01-01 1622644 2010-01-01 1044265 2011-01-01 1132111 2012-01-01 1974337 2013-01-01 1581590 2014-01-01 1217357 2015-01-01 2746732 2016-01-01 965658