Year Dollars 1992-01-01 35611939 2002-01-01 820260 2003-01-01 749027 2009-01-01 68097606 2010-01-01 143831882 2011-01-01 259686095 2012-01-01 410144781 2013-01-01 329494675 2014-01-01 189497911 2015-01-01 64271186 2016-01-01 88039804