Year Dollars 1992-01-01 14702762 1997-01-01 19284381 2002-01-01 38008530 2003-01-01 55124109 2004-01-01 49314943 2005-01-01 78577343 2006-01-01 68987534 2007-01-01 78393884 2008-01-01 97052985 2009-01-01 92990442 2010-01-01 88847897 2011-01-01 79877247 2012-01-01 139984558 2013-01-01 98097178 2014-01-01 133105914 2015-01-01 98174771 2016-01-01 48697156