Year Dollars 2002-01-01 301476 2003-01-01 277301 2004-01-01 1140302 2005-01-01 355767 2006-01-01 586670 2007-01-01 611656 2008-01-01 914886 2009-01-01 1193237 2010-01-01 1439753 2011-01-01 1474662 2012-01-01 2660677 2013-01-01 4177184 2014-01-01 2459838 2015-01-01 2299855 2016-01-01 3527945