Year Dollars 1992-01-01 9827783 2002-01-01 5093392 2003-01-01 11018745 2004-01-01 20242389 2005-01-01 36825743 2006-01-01 6546096 2007-01-01 9727115 2008-01-01 11745568 2009-01-01 8591943 2010-01-01 2513447 2011-01-01 7235572 2012-01-01 4514902 2013-01-01 3581048 2014-01-01 3809136 2015-01-01 2934270 2016-01-01 3213675