Year Dollars 2002-01-01 135636 2005-01-01 135312 2006-01-01 136343 2007-01-01 311792 2008-01-01 240412 2009-01-01 488390 2010-01-01 356314 2011-01-01 814946 2012-01-01 1892512 2013-01-01 1526712 2014-01-01 1968594 2015-01-01 440504 2016-01-01 324952