Year Dollars 1992-01-01 382341 1997-01-01 48475 2003-01-01 176900 2005-01-01 17782 2009-01-01 282389 2010-01-01 359231 2011-01-01 483347 2012-01-01 750689 2013-01-01 157242 2015-01-01 504490 2016-01-01 619807