Year Dollars 1997-01-01 3493012 2002-01-01 2443928 2003-01-01 2566357 2004-01-01 4309855 2005-01-01 3471347 2006-01-01 3204283 2007-01-01 3358035 2008-01-01 4445691 2009-01-01 3926192 2010-01-01 3644037 2011-01-01 5950975 2012-01-01 5908950 2013-01-01 5405432 2014-01-01 8099355 2015-01-01 10799321 2016-01-01 7842774