Year Dollars 1992-01-01 72764 1997-01-01 243867 2002-01-01 223209 2003-01-01 355503 2004-01-01 404048 2005-01-01 220444 2006-01-01 488283 2007-01-01 711087 2008-01-01 776926 2009-01-01 1655855 2010-01-01 2144682 2011-01-01 3846118 2012-01-01 2833833 2013-01-01 4433971 2014-01-01 4050226 2015-01-01 3269575 2016-01-01 3295710