Year Dollars 1992-01-01 254042 1997-01-01 1342785 2002-01-01 193272 2003-01-01 348531 2004-01-01 327024 2005-01-01 2107698 2006-01-01 483602 2007-01-01 597772 2008-01-01 615287 2009-01-01 357536 2010-01-01 506300 2011-01-01 609502 2012-01-01 1746563 2013-01-01 1140943 2014-01-01 1431332 2015-01-01 1512580 2016-01-01 1008572