Year Dollars 1992-01-01 69214 1997-01-01 273261 2002-01-01 193039 2004-01-01 144381 2005-01-01 145607 2006-01-01 139146 2007-01-01 352415 2008-01-01 1103919 2009-01-01 177065 2010-01-01 651001 2012-01-01 4667704 2013-01-01 1715790 2014-01-01 1855328 2015-01-01 901030 2016-01-01 1973086