Year Dollars 1992-01-01 740410 1997-01-01 341949 2004-01-01 1536632 2005-01-01 2287993 2007-01-01 3857788 2010-01-01 116815 2011-01-01 434196 2012-01-01 466460 2013-01-01 61417 2014-01-01 571045 2015-01-01 645220 2016-01-01 210964