Year Dollars 1992-01-01 12322789 1997-01-01 44971434 2002-01-01 107763514 2003-01-01 125736600 2004-01-01 101328781 2005-01-01 89708169 2006-01-01 103524948 2007-01-01 132596554 2008-01-01 125672955 2009-01-01 101596719 2010-01-01 146190664 2011-01-01 130126141 2012-01-01 138062572 2013-01-01 284442926 2014-01-01 552913562 2015-01-01 343097667 2016-01-01 335307262