Year Dollars 1992-01-01 566983 2002-01-01 1244047 2003-01-01 170144 2004-01-01 376360 2007-01-01 330688 2008-01-01 539598 2009-01-01 1478861 2010-01-01 5084724 2011-01-01 8721924 2012-01-01 9555553 2013-01-01 12710202 2014-01-01 5508397 2015-01-01 2522753 2016-01-01 1361083