Year Dollars 1992-01-01 14133277 1997-01-01 38674669 2002-01-01 26252812 2003-01-01 31270287 2004-01-01 36737145 2005-01-01 38979614 2006-01-01 60055175 2007-01-01 74468353 2008-01-01 107543338 2009-01-01 103467885 2010-01-01 128487206 2011-01-01 167632861 2012-01-01 187311224 2013-01-01 190557621 2014-01-01 174850605 2015-01-01 211419127 2016-01-01 137494637