Year Dollars 2002-01-01 1443814 2003-01-01 1485839 2004-01-01 822356 2005-01-01 2207673 2006-01-01 4957898 2007-01-01 4890496 2008-01-01 8154897 2009-01-01 2790292 2010-01-01 4099186 2011-01-01 7752528 2012-01-01 1777002 2013-01-01 3007331 2014-01-01 5967946 2015-01-01 5424186 2016-01-01 1946778