Year Dollars 1992-01-01 39131 2004-01-01 131846 2006-01-01 74949 2007-01-01 108337 2008-01-01 139202 2009-01-01 228868 2010-01-01 98826 2011-01-01 107049 2012-01-01 53572 2013-01-01 163335 2015-01-01 159270 2016-01-01 49488