Year Dollars 1992-01-01 450397 1997-01-01 1630419 2002-01-01 734544 2003-01-01 1270748 2004-01-01 1549557 2005-01-01 2173934 2006-01-01 3212134 2007-01-01 3098111 2008-01-01 4698114 2009-01-01 2912252 2010-01-01 6043593 2011-01-01 9297095 2012-01-01 11795647 2013-01-01 24595882 2014-01-01 23582060 2015-01-01 35920314 2016-01-01 10430853