Year Dollars 1997-01-01 886027 2002-01-01 31428 2003-01-01 174131 2004-01-01 237471 2005-01-01 242076 2006-01-01 395710 2007-01-01 627186 2008-01-01 317629 2009-01-01 370098 2010-01-01 2613575 2011-01-01 696441 2012-01-01 669159 2013-01-01 2081745 2014-01-01 730351 2015-01-01 434418 2016-01-01 632883