Year Dollars 1997-01-01 1491893 2008-01-01 2433234 2009-01-01 1349319 2010-01-01 2085122 2011-01-01 214643 2012-01-01 718147 2013-01-01 810672 2014-01-01 1228567 2015-01-01 1165720 2016-01-01 2458525