Year Dollars 1997-01-01 197917 2002-01-01 76835 2003-01-01 235750 2004-01-01 301958 2005-01-01 221577 2006-01-01 261032 2007-01-01 239678 2008-01-01 408091 2009-01-01 1187682 2010-01-01 659499 2011-01-01 997246 2012-01-01 794672 2013-01-01 1292783 2014-01-01 1950477 2015-01-01 1483612 2016-01-01 1601180