Year Dollars 1992-01-01 122111 1997-01-01 149021 2002-01-01 464916 2003-01-01 646207 2004-01-01 1113922 2005-01-01 537114 2006-01-01 739022 2007-01-01 953753 2008-01-01 3166270 2009-01-01 1229926 2010-01-01 1660145 2011-01-01 1141407 2012-01-01 1393203 2013-01-01 864220 2014-01-01 1604154 2015-01-01 5037772 2016-01-01 1108808