Year Dollars 1997-01-01 142253 2002-01-01 93814 2003-01-01 185394 2004-01-01 79832 2005-01-01 96653 2006-01-01 271301 2007-01-01 543528 2008-01-01 387418 2009-01-01 561334 2010-01-01 196160 2011-01-01 774679 2012-01-01 868864 2013-01-01 409522 2014-01-01 429056 2015-01-01 692159 2016-01-01 919320