Year Dollars 1992-01-01 5009317 2002-01-01 3521635 2003-01-01 4863492 2004-01-01 3165390 2005-01-01 4942808 2006-01-01 4836275 2007-01-01 5962217 2008-01-01 11803600 2009-01-01 21877462 2010-01-01 7080350 2011-01-01 27077754 2012-01-01 5033777 2013-01-01 4346790 2014-01-01 3296500 2015-01-01 3008084 2016-01-01 3613738