Year Dollars 1992-01-01 54077 1997-01-01 98500 2002-01-01 66773 2008-01-01 756260 2009-01-01 169707 2010-01-01 208230 2011-01-01 244187 2012-01-01 219125 2013-01-01 596824 2014-01-01 270533 2015-01-01 2553272 2016-01-01 347690