Year Dollars 1992-01-01 48857238 1997-01-01 49574927 2002-01-01 77749982 2003-01-01 63878087 2004-01-01 79490574 2005-01-01 87228504 2006-01-01 164445216 2007-01-01 137925699 2008-01-01 131858410 2009-01-01 100418771 2010-01-01 127117516 2011-01-01 168896216 2012-01-01 240163546 2013-01-01 126077779 2014-01-01 194543907 2015-01-01 123340894