Year Dollars 1992-01-01 11149903 1997-01-01 8501047 2002-01-01 11226172 2003-01-01 55541365 2004-01-01 40561654 2005-01-01 58476126 2006-01-01 104072022 2007-01-01 124917463 2009-01-01 154198092 2010-01-01 117758711 2011-01-01 173159897 2012-01-01 173997202 2013-01-01 168195700 2014-01-01 164326690 2015-01-01 112965948 2016-01-01 88634224