Year Dollars 1992-01-01 67215 1997-01-01 632678 2002-01-01 58255 2003-01-01 17873 2005-01-01 23489 2006-01-01 294512 2010-01-01 168786 2012-01-01 56569 2014-01-01 52824 2016-01-01 71704