Year Dollars 1992-01-01 601080 2009-01-01 8716764 2010-01-01 8858995 2011-01-01 7899554 2012-01-01 5867234 2013-01-01 4607953 2014-01-01 3656596 2015-01-01 3962689 2016-01-01 9675820