Year Dollars 2003-01-01 1586793 2004-01-01 6591938 2005-01-01 13179074 2006-01-01 16814602 2007-01-01 26530180 2008-01-01 45610679 2009-01-01 72481754 2010-01-01 18838719 2011-01-01 24016210 2012-01-01 27249493 2013-01-01 18744469 2014-01-01 14485979 2015-01-01 4154541 2016-01-01 5259389