Year Dollars 1992-01-01 1853749 1997-01-01 2873254 2002-01-01 4080565 2003-01-01 4189479 2004-01-01 7449708 2005-01-01 2471916 2006-01-01 3458624 2007-01-01 4223182 2008-01-01 4311396 2009-01-01 2539419 2010-01-01 6410369 2011-01-01 5811348 2012-01-01 3781874 2013-01-01 6041822 2014-01-01 5853222 2015-01-01 2357867 2016-01-01 3250590