Year Dollars 1992-01-01 21432 2003-01-01 41331 2004-01-01 27328 2006-01-01 72361 2007-01-01 22605 2008-01-01 81163 2011-01-01 42313 2012-01-01 107668 2013-01-01 231810 2014-01-01 363786 2015-01-01 409452 2016-01-01 402654