Year Dollars 1997-01-01 325396 2002-01-01 709564 2003-01-01 945238 2004-01-01 1340343 2005-01-01 5994149 2006-01-01 5193537 2007-01-01 2620005 2008-01-01 2784301 2009-01-01 1258868 2010-01-01 1399455 2011-01-01 1260531 2012-01-01 1437980 2013-01-01 1092500 2014-01-01 1387440 2015-01-01 1035299 2016-01-01 911562