Year Dollars 1992-01-01 17783 2002-01-01 128697 2008-01-01 108861 2009-01-01 94309 2010-01-01 332552 2011-01-01 17277 2013-01-01 146232 2014-01-01 77583 2015-01-01 93276 2016-01-01 42646